M. Arnold.

-- Rhe*tor"ic*al*ly, adv. -- Rhe*tor"ic*al*ness, n.

Rhe*tor"i*cate (?), v. i. [L. rhetoricari. See Rhetoric.] To play the orator. [Obs.] South.

Rhe*tor`i*ca"tion (?), n. [Cf. F. rhétorication.] Rhetorical amplification. [Obs.] Waterland.

Rhet`o*ri"cian (?), n. [Cf. F. rhétoricien.] 1. One well versed in the rules and principles of rhetoric.

The understanding is that by which a man becomes a mere logician and a mere rhetorician.

F. W. Robertson.

2. A teacher of rhetoric.

The ancient sophists and rhetoricians, which ever had young auditors, lived till they were an hundred years old.

Bacon.

3. An orator; specifically, an artificial orator without genuine eloquence; a declaimer. Macaulay.

Rhet`o*ri"cian, a. Suitable to a master of rhetoric. "With rhetorician pride." Blackmore.

Rhet"o*rize (rt"*rz), v. i. [imp. & p. p. Rhetorized (- rzd); p. pr. & vb. n. Rhetorizing (- r`zng).] To play the orator. Colgrave.

Rhet"o*rize, v. t. To represent by a figure of rhetoric, or by personification. Milton.

||Rhe"um (r"m), n. [NL., from L. Rha the river Volga, on the banks of which it grows. See Rhubarb.] (Bot.) A genus of plants. See Rhubarb.

Rheum (rm), n. [OF. reume, rheume, F. rhume a cold,, L. rheuma rheum, from Gr. &?;&?;&?;, fr. "rei^n to flow, akin to E. stream. See Stream, n., and cf. Hemorrhoids.] (Med.) A serous or mucous discharge, especially one from the eves or nose.

I have a rheum in mine eyes too.

Shak.

Salt rheum. (Med.) See Salt rheum, in the Vocab.

Rheu*mat"ic (?), a. [Gr. &?;&?;&?; subject to a discharge or flux: cf. L. rheumaticus, F. rhumatique. See Rheum, Rheumatism.] 1. Derived from, or having the character of, rheum; rheumic. [Obs.]

2. (Med.) Of or pertaining to rheumatism; as, rheumatic pains or affections; affected with rheumatism; as, a rheumatic old man; causing rheumatism; as, a rheumatic day.

That rheumatic diseases do abound.

Shak.

Rheu*mat"ic, n. One affected with rheumatism.

Rheu"ma*tism (?), n. [L. rheumatismus rheum, Gr. &?;&?;&?;&?;, fr.&?;&?;&?; to have or suffer from a flux, fr. &?;&?;&?; rheum: cf. F. rheumatisme. See 2d Rheum.] (Med.) A general disease characterized by painful, often multiple, local inflammations, usually affecting the joints and muscles, but also extending sometimes to the deeper organs, as the heart.

Inflammatory rheumatism (Med.), acute rheumatism attended with fever, and attacking usually the larger joints, which become swollen, hot, and very painful. -- Rheumatism root. (Bot.) See Twinleaf.

Rheu`ma*tis"mal (?), a. (Med.) Of or pertaining to rheumatism.

Rheu`ma*tis"moid (?), a. [Rheumatism + -oid.] (Med.) Of or resembling rheum or rheumatism.

Rheum"ic (?), a. (Med.) Pertaining to, or characterized by, rheum.

Rheumic diathesis. See Dartrous diathesis, under Dartrous.

||Rheu"mi*des (?), n. pl. [NL. See Rheum.] (Med.) The class of skin disease developed by the dartrous diathesis. See under Dartrous.

Rheum"y (?), a. Of or pertaining to rheum; abounding in, or causing, rheum; affected with rheum.

His head and rheumy eyes distill in showers.

Dryden.

And tempt the rheumy and unpurged air
To add unto his sickness.

Shak.

Rhig"o*lene (?), n. [Gr. &?;&?;&?; cold + L. oleum oil.] (Chem.) A mixture of volatile hydrocarbons intermediate between gsolene and cymogene. It is obtained in the purification of crude petroleum, and is used as a refregerant.

Rhime (?), n. See Rhyme. [Obs.]

Rhi"nal (?), a. [Gr&?;&?;&?;, &?;&?;&?;, the nose.] (Anat.) Og or pertaining to the nose or olfactory organs.

||Rhi*nas"ter (?), n. [NL., fr. Gr. &?;&?;&?;, &?;&?;&?;, nose + &?;&?;&?; star.] (Zoöl.) The borele.

Rhine (?), n. [AS. ryne. See Run.] A water course; a ditch. [Written also rean.] [Prov. Eng.] Macaulay.

Rhi`nen*ce*phal"ic (?), a. (Anat.) Of or pertaining to the rhinencephalon.

||Rhi`nen*ceph"a*lon (?), n.; pl. Rhinencephala (#). [NL., fr. Gr. &?;&?;&?;, &?;&?;&?;, the nose + &?;&?; the brain.] (Anat.) The division of the brain in front of the prosencephalon, consisting of the two olfactory lobes from which the olfactory nerves arise.

The term is sometimes used for one of the olfactory lobes, the plural being used for the two taken together.

Rhine"stone` (?), n. [Cf. G. rheinkiesel Rhine quartz.] A colorless stone of high luster, made of paste. It is much used as an inexpensive ornament.

||Rhi*ni"tis (?), n. [NL., fr. Gr. &?;&?;. &?;&?;&?;, the nose + -itis.] (Med.) Infllammation of the nose; esp., inflammation of the mucous membrane of the nostrils.

Rhi*no (?), n. [Etymol. uncertain.] Gold and silver, or money. [Cant] W. Wagstaffe.

As long as the rhino lasted.

Marryat.

Rhi"no-. A combining form from Greek &?;&?;, &?;&?;&?;, the nose, as in rhinolith, rhinology.

{ Rhi`no*ce"ri*al (?), Rhi`no*cer"ic*al (?), } a. (Zoöl.) Of or pertaining to the rhinoceros; resembling the rhinoceros, or his horn. Tatler.

Rhi*noc"e*ros (?), n. [L., fr. Gr. &?;&?;&?;, &?;&?;&?;; &?;&?;&?;. &?;&?;&?;, the nose + &?;&?;&?; a horn: cf. F. rhinocéros. See Horn.] (Zoöl.) Any pachyderm belonging to the genera Rhinoceros, Atelodus, and several allied genera of the family Rhinocerotidæ, of which several living, and many extinct, species are known. They are large and powerful, and usually have either one or two stout conical median horns on the snout.

The Indian, or white, and the Javan rhinoceroses (Rhinoceros Indicus and R. Sondaicus) have incisor and canine teeth, but only one horn, and the very thick skin forms shieldlike folds. The two or three African species belong to Atelodus, and have two horns, but lack the dermal folds, and the incisor and canine teeth. The two Malay, or East Indian, two- horned species belong to Ceratohinus, in which incisor and canine teeth are present. See Borele, and Keitloa.

Rhinoceros auk (Zoöl.), an auk of the North Pacific (Cerorhina monocrata) which has a deciduous horn on top of the bill. -- Rhinoceros beetle (Zoöl.), a very large beetle of the genus Dynastes, having a horn on the head. -- Rhinoceros bird. (Zoöl.) (a) A large hornbill (Buceros rhinoceros), native of the East Indies. It has a large hollow hornlike process on the bill. Called also rhinoceros hornbill. See Hornbill. (b) An African beefeater (Buphaga Africana). It alights on the back of the rhinoceros in search of parasitic insects.

Rhi*noc"e*rote (?), n. A rhinoceros. [Obs.] B. Jonson.

Rhi*noc`e*rot"ic (?), a. Of or pertaining to the rhinoceros. [R.]

{ Rhi"no*lite (?), Rhi"no*lith (?), } n. [Rhino- + -lite, -lith.] (Med.) A concretion formed within the cavities of the nose.

Rhi`no*log"ic*al (?), a. Of or pertaining to rhinology.

Rhi*nol"o*gist (?), n. One skilled in rhinology.

Rhi*nol"o*gy (?), n. [Rhino- + -logy.] The science which treats of the nose, and its diseases.

Rhi*nol"o*phid (?), n. [Rhino- + Gr. &?;&?;&?; crest.] (Zoöl.) Any species of the genus Rhinilophus, or family Rhinolophidæ, having a horseshoe-shaped nasal crest; a horseshoe bat.

Rhi*nol"o*phine (?), a. (Zoöl.) Like or pertaining to the rhinolophids, or horseshoe bats.

Rhi"no*phore (?), n. [Rhino- + Gr. &?;&?;&?; to bear.] (Zoöl.) One of the two tentacle-like organs on the back of the head or neck of a nudibranch or tectibranch mollusk. They are usually retractile, and often transversely furrowed or plicate, and are regarded as olfactory organs. Called also dorsal tentacles. See Illust. under Pygobranchia, and Opisthobranchia.

Rhi`no*plas"tic (?), a. [Rhino- + -plastic: cf. F. rhinoplastique.] (Surg.) Of or pertaining to rhinoplasty; as, a rhinoplastic operation.

Rhi"no*plas`ty (?), n. [Rhino- + -plasty: cf. F. rhinoplastie.] Plastic surgery of the nose to correct deformity or to replace lost tissue. Tissue may be transplanted from the patient's cheek, forehead, arm, etc., or even from another person.

Rhi"no*pome (?), n. [Rhino- + Gr. pw^ma a lid. ] (Zoöl.) Any old-world bat of the genus Rhinopoma. The rhinopomes have a long tail extending beyond the web, and inhabit caves and tombs.

||Rhi`no*scle*ro"ma (?), n. [Rhino- + scleroma.] (Med.) A rare disease of the skin, characterized by the development of very hard, more or less flattened, prominences, appearing first upon the nose and subsequently upon the neighboring parts, esp. the lips, palate, and throat. J. V. Shoemaker.

Rhi"no*scope (?), n. [Rhino- + -scope.] A small mirror for use in rhinoscopy.

Rhi`no*scop"ic (?), a. (Physiol.) Of or pertaining to rhinoscopy.

Rhi*nos"co*py (?), n. [Rhino- + -scopy.] (Physiol.) The examination or study of the soft palate, posterior nares, etc., by means of a laryngoscopic mirror introduced into the pharynx.

||Rhi`no*the"ca (?), n.; pl. Rhinothecæ (#). [NL., from gr. &?;&?;&?;, &?;&?;&?;, the nose + &?;&?;&?; case.] (Zoöl.) The sheath of the upper mandible of a bird.

||Rhi*pi`do*glos"sa (?), n. pl. [NL., fr. Gr. &?;&?;&?; a fan + &?;&?;&?;&?; a tongue.] (Zoöl.) A division of gastropod mollusks having a large number of long, divergent, hooklike, lingual teeth in each transverse row. It includes the scutibranchs. See Illustration in Appendix.

Rhi*pip"ter (?), n. [Gr. &?;&?;&?; a fan + &?;&?;&?; wing.] (Zoöl.) One of the Rhipiptera, a group of insects having wings which fold like a fan; a strepsipter.

Rhi*pip"ter*an (?), n. (Zoöl.) Same as Rhipipter.

Rhi*zan"thous (?), a. [Gr. &?;&?;&?; root + &?;&?;&?; flower.] (Bot.) Producing flowers from a rootstock, or apparently from a root.

Rhi"zine (?), n. [Gr. &?;&?;&?; root.] (Bot.) A rootlike filament or hair growing from the stems of mosses or on lichens; a rhizoid.

Rhi`zo*car"pous (?), a. [Gr. &?;&?;&?; root + &?;&?;&?; fruit.] (Bot.) Having perennial rootstocks or bulbs, but annual flowering stems; -- said of all perennial herbs.

||Rhi`zo*ceph"a*la (?), n. pl. [NL., fr. Gr. &?;&?;&?; root + &?;&?;&?; head.] (Zoöl.) A division of Pectostraca including saclike parasites of Crustacea. They adhere by rootlike extensions of the head. See Illusration in Appendix.

Rhiz"o*dont (?), n. [Gr. &?;&?;&?; root + &?;&?;&?;, &?;&?;&?;, a tooth.] (Zoöl.) A reptile whose teeth are rooted in sockets, as the crocodile.

Rhiz"o*gan (?), a. [Gr. &?;&?;&?; root + -gen: cf. F. rhizogène.] (Bot.) Prodicing roots.

Rhiz"o*gen, n. (Bot.) One of a proposed class of flowering plants growning on the roots of other plants and destitute of green foliage.

Rhi"zoid (?), n. [Gr. &?;&?;&?; root + -oid.] (Bot.) A rootlike appendage.

||Rhi*zo"ma (?), n.; pl. Rhizomata (#). [NL.] (Bot.) SAme as Rhizome.

Rhi*zo"ma*tous (?), a. (Bot.) Having the nature or habit of a rhizome or rootstock.

Rhi*zome" (?), n. [Gr. &?;&?;&?; the mass of roots (of a tree), a stem, race, fr. &?;&?;&?; to make to root, pass., to take root, fr. &?;&?;&?; a root: cf. F. rhizome.] (Bot.) A rootstock. See Rootstock.

||Rhi*zoph"a*ga (?), n. pl. [NL.] (Zoöl.) A division of marsupials. The wombat is the type.

Rhi*zoph"a*gous (?), a. [Gr. &?;&?;&?;; &?;&?;&?; a root + &?;&?;&?; to eat.] Feeding on roots; root- eating.

||Rhi*zoph"o*ra (?), n. [NL. See Rhizophorous.] (Bot.) A genus of trees including the mangrove. See Mangrove.

Rhi*zoph"o*rous (?), a. [Gr. &?;&?;&?; a root + &?;&?;&?;&?; to bear.] (Bot.) Bearing roots.

Rhiz"o*pod (?), n. (Zoöl.) One of the Rhizopoda.

The rhizopods belonging to the Radiolaria and Foraminifera have been of great geological importance, especially in the Cretaceous and Tertiary periods. Chalk is mostly made from the shells of Foraminifera. The nummulites are the principal ingredient of a limestone which is of great extent in Europe and Asia, and is the material of which some of the pyramids of Egypt are made. The shells are abundant in deepsea mud, and are mostly minute, seldom larger than a small grain of sand, except in the case of the nummulities, which are sometimes an inch in diameter.

||Rhi*zop"o*da (?), n. pl. [NL., fr. Gr. &?;&?;&?; a root + -poda.] (Zoöl.) An extensive class of Protozoa, including those which have pseudopodia, by means of which they move about and take their food. The principal groups are Lobosa (or Amœbea), Helizoa, Radiolaria, and Foraminifera (or Reticularia). See Protozoa.

Rhi*zop"o*dous (?), a. (Zoöl.) Of or pertaining to the rhizopods.

||Rhi`zo*stom"a*ta (?), n. pl. [NL., fr. Gr. &?;&?;&?; a root + &?;&?;&?;, &?;&?;&?;&?;, a mouth.] (Zoöl.) A suborder of Medusæ which includes very large species without marginal tentacles, but having large mouth lobes closely united at the edges. See Illust. in Appendix.

Rhiz"o*stome (?), n. (Zoöl.) One of the Rhizostomata.

<! p. 1238 !>

||Rhi`zo*tax"is (?), n. [NL., fr. Gr. &?;&?;&?; a root + &?;&?;&?; arrangement.] (Bot.) The arrangement of the roots of plants.

Rhob (rb), n. See 1st Rob.

Rho`dam*mo"ni*um (?), a. (Chem.) Pertaining to, derived from, or containing, rhodium and ammonia; -- said of certain complex compounds.

Rho"da*nate (?), n. (Chem.) A salt of rhodanic acid; a sulphocyanate. [Obsoles.]

Rho*dan"ic (?), a. [Gr. &?;&?;&?; the rose.] (Chem.) Pertaining to, or designating, an acid (commonly called sulphocyanic acid) which frms a red color with ferric salts. [Obsoles.]

Rho`de*o*re"tin (?), n. [Gr. &?;&?;&?; the rose + &?;&?;&?; resin.] (Chem.) Same as Convolvuln.

Rho"di*an (?), a. [L. Rhodius: cf. F. rhodien.] Of or pertaining to Rhodes, an island of the Mediterranean. -- n. A native or inhabitant of Rhodes.

Rho"dic (?), a. (Chem.) Of or pertaining to rhodium; containing rhodium.

Rho"di*um (?), n. [NL., fr. Gr. "ro`don the rose. So called from the rose-red color of certain of its solutions. See Rhododendron.] (Chem.) A rare element of the light platinum group. It is found in platinum ores, and obtained free as a white inert metal which it is very difficult to fuse. Symbol Rh. Atomic weight 104.1. Specific gravity 12.

Rho`di*zon"ic (?), a. [Gr. &?;&?;&?; to be rose-red.] (Chem.) Pertaining to, or designating, a colorless crystalline substance (called rhodizonic acid, and carboxylic acid) obtained from potassium carboxide and from certain quinones. It forms brilliant red, yellow, and purple salts.

Rho`do*chro"site (?), n. [Gr. "ro`don the rose + &?;&?;&?; a coloring.] (Min.) Manganese carbonate, a rose-red mineral sometimes occuring crystallized, but generally massive with rhombohedral cleavage like calcite; -- called also dialogite.

Rho*doc"ri*nite (?), n. [Gr. "ro`don rose + &?;&?;&?; lily.] (Paleon.) A rose encrinite.

Rho`do*den"dron (?), n. [L., fr. Gr. "rodo`dendron, literally, rose tree; "ro`don rose + de`ndron tree. See Rose.] (Bot.) A genus of shrubs or small trees, often having handsome evergreen leaves, and remarkable for the beauty of their flowers; rosebay.

Rhod`o*mon*tade" (?), n. See Rodomontade.

Rhod`o*mon*tad"er (?), n. See Rodomontador.

Rho"don*ite (?), n. [Gr. "ro`don the rose. ] (Min.) Manganese spar, or silicate of manganese, a mineral occuring crystallised and in rose-red masses. It is often used as an ornamental stone.

Rho"do*phane (?), n. [Gr. "ro`don the rose + &?;&?;&?; to show.] (Physiol.) The red pigment contained in the inner segments of the cones of the retina in animals. See Chromophane. W. Kühne.

Rho*dop"sin (?), n. [Gr. "ro`don rose + "w`ps eye.] (Physiol.) The visual purple. See under Visual.

Rho"do*sperm (?), n. [Gr. "ro`don the rose + spe`rma a seed.] (Bot.) Any seaweed with red spores.

As the name of a subclass, Rhodosperms, or Rhodospermeæ, is synonymous with Florideæ (which see.)

Rhomb (?), n. [L. rhombus, Gr. &?;&?;&?; rhomb, a spinning top, magic wheel, fr. &?;&?;&?; to turn or whirl round, perhaps akin to E. wrench: cf. F. rhombe. Cf. Rhombus, Rhumb.] 1. (Geom.) An equilateral parallelogram, or quadrilateral figure whose sides are equal and the opposite sides parallel. The angles may be unequal, two being obtuse and two acute, as in the cut, or the angles may be equal, in which case it is usually called a square.

2. (Geom.) A rhombohedron.

Fresnel's rhomb (Opt.), a rhomb or oblique parallelopiped of crown or St. Gobain glass so cut that a ray of light entering one of its faces at right angles shall emerge at right angles at the opposite face, after undergoing within the rhomb, at other faces, two reflections. It is used to produce a ray circularly polarized from a plane-polarized ray, or the reverse. Nichol.

Rhom"bic (?), a. 1. Shaped like a rhomb.

2. (Crystallog.) Same as Orthorhombic.

Rhom`bo*ga"noid (?), n. [Rhomb + ganoid.] (Zoöl.) A ganoid fish having rhombic enameled scales; one of the Rhomboganoidei.

||Rhom`bo*ga*noi"de*i (?), n. pl. [NL.] (Zoöl.) Same as Ginglymodi.

Rhom"bo*gene (?), n. [Rhomb + root of Gr. &?;&?;&?; to be born.] (Zoöl.) A dicyemid which produces infusorialike embryos; -- opposed to nematogene. See Dicyemata. [Written also rhombogen.]

Rhom`bo*he"dral (?), a. (Geom. & Crystallog.) Related to the rhombohedron; presenting the form of a rhombohedron, or a form derivable from a rhombohedron; relating to a system of forms including the rhombohedron and scalenohedron.

Rhombohedral iron ore (Min.) See Hematite. -- Rhombohedral system (Crystallog.), a division of the hexagonal system embracing the rhombohedron, scalenohedron, etc.

Rhom`bo*hed"ric (?), a. (Geom. & Crystallog.) Rhombohedral.

Rhom`bo*he"dron (?), n. [NL., fr. Gr. &?;&?;&?; rhomb + &?;&?;&?; seat, base.] (Geom. & Crystallog.) A solid contained by six rhomboids; a parallelopiped.

Rhom"boid (rm"boid), n. [Gr. &?;&?;&?; rhomboidal; &?;&?;&?; rhomb + e'i^dos shape: cf. F. rhomboïde.] (Geom.) An oblique-angled parallelogram like a rhomb, but having only the opposite sides equal, the length and with being different.

Rhom"boid (rm"boid), a. Same as Rhomboidal.

Rhom*boid"al (?), a. [Cf. F. rhomboïdal.] Having, or approaching, the shape of a rhomboid.

Rhom*boid"es (?), n. A rhomboid. [R.] Milton.

Rhom`boid-o"vate (?), a. Between rhomboid and ovate, or oval, in shape.

Rhomb" spar` (?). (Min.) A variety of dolomite.

Rhom"bus (?), n. [L.] Same as Rhomb, 1.

Rhon`chal (?), a. (Med.) Rhonchial.

Rhon"chi*al (?), a. (Med.) Of or pertaining to a rhonchus; produced by rhonchi.

Rhonchial fremitus. [L. fremitus a dull roaring or murmuring.] (Med.) A vibration of the chest wall that may be felt by the hand laid upon its surface. It is caused in the production of rhonchi in the bronchial tubes.

Rhon*chis"o*nant (?), a. [L. rhonchus a snoring + sonans, p. pr. of sonare to sound.] Making a snorting noise; snorting. [R.]

||Rhon"chus (?), n.; pl. Rhonchi (#). [L., a snoring, a croaking.] (Med.) An adventitious whistling or snoring sound heard on auscultation of the chest when the air channels are partially obstructed. By some writers the term rhonchus is used as equivalent to râle in its widest sense. See Râle.

Rho*pal"ic (?), a. [Gr. &?;&?;&?;&?; club-shaped; fr. &?;&?;&?; a club: cf. F. rhopalique.] (Pros.) Applied to a line or verse in which each successive word has one more syllable than the preceding.

||Rho*pa"li*um (?), n.; pl. Rhopalia (#). [NL.] (Zoöl.) One of the marginal sensory bodies of medusæ belonging to the Discophora.

||Rhop`a*loc"e*ra (?), n. pl. [NL., from Gr. &?;&?;&?; a club + &?;&?;&?; ahorn.] (Zoöl.) A division of Lepidoptera including all the butterflies. They differ from other Lepidoptera in having club-shaped antennæ.

Rho"ta*cism (?), n. [Gr. "rwtaki`zein to use the letter r (ρ) overmuch: cf. F. rhotacisme.] An oversounding, or a misuse, of the letter r; specifically (Phylol.), the tendency, exhibited in the Indo-European languages, to change s to r, as wese to were.

Rhu"barb (?), n. [F. rhubarbe, OF. rubarbe, rheubarbe, reubarbare, reobarbe, LL. rheubarbarum for rheum barbarum, Gr. &?;&?;&?; (and &?;&?;) rhubarb, from the river Rha (the Volga) on whose banks it grew. Originally, therefore, it was the barbarian plant from the Rha. Cf. Barbarous, Rhaponticine.] 1. (Bot.) The name of several large perennial herbs of the genus Rheum and order Polygonaceæ.

2. The large and fleshy leafstalks of Rheum Rhaponticum and other species of the same genus. They are pleasantly acid, and are used in cookery. Called also pieplant.

3. (Med.) The root of several species of Rheum, used much as a cathartic medicine.

Monk's rhubarb. (Bot.) See under Monk. -- Turkey rhubarb (Med.), the roots of Rheum Emodi.

Rhu"barb*y (?), a. Like rhubarb.

Rhumb (?), n. [F. rumb, Sp. rumbo, or Pg. rumbo, rumo, probably fr. Gr. &?;&?;&?; a magic wheel, a whirling motion, hence applied to a point of the compass. See Rhomb.] (Navigation) A line which crosses successive meridians at a constant angle; -- called also rhumb line, and loxodromic curve. See Loxodromic.

To sail on a rhumb, to sail continuously on one course, following a rhumb line.

||Rhus (?), n. [L., sumac, fr. Gr. &?;&?;&?;.] (Bot.) A genus of shrubs and small treets. See Sumac.

Rhus"ma (?), n. [See Rusma.] A mixtire of caustic lime and orpiment, or tersulphide of arsenic, -- used in the depilation of hides. Knight.

Rhyme (?), n. [OE. ryme, rime, AS. rm number; akin to OHG. rm number, succession, series, G. reim rhyme. The modern sense is due to the influence of F. rime, which is of German origin, and originally the same word.] [The Old English spelling rime is becoming again common. See Note under Prime.] 1. An expression of thought in numbers, measure, or verse; a composition in verse; a rhymed tale; poetry; harmony of language. "Railing rhymes." Daniel.

A ryme I learned long ago.

Chaucer.

He knew
Himself to sing, and build the lofty rime.

Milton.

2. (Pros.) Correspondence of sound in the terminating words or syllables of two or more verses, one succeeding another immediately or at no great distance. The words or syllables so used must not begin with the same consonant, or if one begins with a vowel the other must begin with a consonant. The vowel sounds and accents must be the same, as also the sounds of the final consonants if there be any.

For rhyme with reason may dispense,
And sound has right to govern sense.

Prior.

3. Verses, usually two, having this correspondence with each other; a couplet; a poem containing rhymes.

4. A word answering in sound to another word.

Female rhyme. See under Female. - - Male rhyme. See under Male. -- Rhyme or reason, sound or sense. -- Rhyme royal (Pros.), a stanza of seven decasyllabic verses, of which the first and third, the second, fourth, and fifth, and the sixth and seventh rhyme.

Rhyme (?), v. i. [imp. & p. p. Rhymed (?);p. pr. & vb. n. Rhyming.] [OE. rimen, rymen, AS. rman to count: cf. F. rimer to rhyme. See Rhyme, n.] 1. To make rhymes, or verses. "Thou shalt no longer ryme." Chaucer.

There marched the bard and blockhead, side by side,
Who rhymed for hire, and patronized for pride.

Pope.

2. To accord in rhyme or sound.

And, if they rhymed and rattled, all was well.

Dryden.

Rhyme, v. t. 1. To put into rhyme. Sir T. Wilson.

2. To influence by rhyme.

Hearken to a verser, who may chance
Rhyme thee to good.

Herbert.

Rhyme"less, a. Destitute of rhyme. Bp. Hall.

Rhym"er (?), n. One who makes rhymes; a versifier; -- generally in contempt; a poor poet; a poetaster.

This would make them soon perceive what despicaple creatures our common rhymers and playwriters be.

Milton.

Rhym"er*y (?), n. The art or habit of making rhymes; rhyming; -- in contempt.

Rhyme"ster (?), n. A rhymer; a maker of poor poetry. Bp. Hall. Byron.

Rhym"ic (?), a. Pertaining to rhyme.

Rhym"ist, n. A rhymer; a rhymester. Johnston.

||Rhyn`chob*del"le*a (?), n. pl. [NL., fr. Gr. "ry`gchos snout + &?;&?;&?; a leech.] (Zoöl.) A suborder of leeches including those that have a protractile proboscis, without jaws. Clepsine is the type.

||Rhyn`cho*ceph"a*la (?), n. pl. [NL., fr. Gr. "ry`gchos snout + kefalh` head.] (Zoöl.) An order of reptiles having biconcave vertebræ, immovable quadrate bones, and many other peculiar osteological characters. Hatteria is the only living genus, but numerous fossil genera are known, some of which are among the earliest of reptiles. See Hatteria. Called also Rhynchocephalia.

||Rhyn`cho*cœ"la (?), n. pl. [NL., fr. Gr. "ry`gchos snout + koi`los hollow.] (Zoöl.) Same as Nemertina. -- Rhyn`cho*cœ"lous (#), a.

Rhyn"cho*lite (&?;), n. [Gr. "ry`gchos snout, beak + -lie: cf. F. rhyncholithe.] (Paleon.) A fossil cephalopod beak.

||Rhyn`cho*nel"la (&?;), n. [NL., fr. Gr. "ry`gchos snout.] (Zoöl.) A genus of brachiopods of which some species are still living, while many are found fossil.

||Rhyn*choph"o*ra (&?;), n. pl. [NL., fr. Gr. "ry`gchos snout + fe`rein to carry.] (Zoöl.) A group of Coleoptera having a snoutlike head; the snout beetles, curculios, or weevils.

Rhyn"cho*phore (?), n. (Zoöl.) One of the Rhynchophora.

||Rhyn*cho"ta (?), n. pl. [NL., fr. Gr. "ry`gchos snout.] (Zoöl.) Same as Hemiptera. [Written also Rhyncota.]

Rhy"o*lite (?), n. [Gr. "rei^n to flow + -lite.] (Min.) A quartzose trachyte, an igneous rock often showing a fluidal structure. -- Rhy`o*lit"ic, (#), a.

Rhy`pa*rog"ra*phy (?), n. [Gr. &?;&?;&?;&?; painting foul or mean objects; "ryparo`s filthy, dirty + gra`fein to write, paint.] In ancient art, the painting of genre or still-life pictures.

Rhy*sim"e*ter (?), n. [Gr. &?;&?;&?; flow + -meter.] An instrument, acting on the principle of Pitot's tube, for measuring the velocity of a fluid current, the speed of a ship, etc.

Rhythm (?), n. [F. rhythme, rythme, L. rhythmus, fr. Gr. &?;&?;&?; measured motion, measure, proportion, fr. "rei^n to flow. See Stream.] 1. In the widest sense, a dividing into short portions by a regular succession of motions, impulses, sounds, accents, etc., producing an agreeable effect, as in music poetry, the dance, or the like.

2. (Mus.) Movement in musical time, with periodical recurrence of accent; the measured beat or pulse which marks the character and expression of the music; symmetry of movement and accent. Moore (Encyc.)

3. A division of lines into short portions by a regular succession of arses and theses, or percussions and remissions of voice on words or syllables.

4. The harmonious flow of vocal sounds.

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Rhyth"mer (rth"mr or r"-), n. One who writes in rhythm, esp. in poetic rhythm or meter. [R.]

One now scarce counted a rhythmer, formerly admitted for a poet.

Fuller.

{ Rhyth"mic (-mk), Rhyth"mic*al (- m*kal), } a. [Gr. &?;&?;&?;&?;: cf. L. rhythmicus, F. rhythmique.] Pertaining to, or of the nature of, rhythm

Day and night
I worked my rhythmic thought.

Mrs. Browning.

Rhythmical accent. (Mus.) See Accent, n., 6 (c).

Rhyth"mic*al*ly, adv. In a rhythmical manner.

Rhyth"mics (?), n. The department of musical science which treats of the length of sounds.

Rhyth"ming (?), a. Writing rhythm; verse making. "The rhythming monk." Fuller.

Rhythm"less (?), a. Being without rhythm. Coleridge.

Rhyth*mom"e*ter (?), n. [Rhythm + -meter.] An instrument for marking time in musical movements. See Metronome.

||Rhyth"mus (?), n. [L.] Rhythm.

||Rhyt"i*na (?), n. (Zoöl.) See Rytina.

Ri"al (&?;), n. A Spanish coin. See Real. [Obs.]

Ri*al", a. Royal. [Obs.] Chaucer.

Ri"al (?), n. [From Royal.] A gold coin formerly current in England, of the value of ten shillings sterling in the reign of Henry VI., and of fifteen shillings in the reign of Elizabeth. [Spelt also ryal.] Brande & C.

||Ri`ant" (?), a. [F. riant, p. pr. of rire to laugh, L. ridere.] Laughing; laughable; exciting gayety; gay; merry; delightful to the view, as a landscape.

In such cases the sublimity must be drawn from the other sources, with a strict caution, howewer, against anything light and riant.

Burke.

Rib (?), n. [AS. rib, ribb; akin to D. rib, G. rippe, OHG. rippa, rippi, Dan. ribbe, Icel. rif, Russ. rebro.] 1. (Anat.) One of the curved bones attached to the vertebral column and supporting the lateral walls of the thorax.

In man there are twelve ribs on each side, of which the upper seven are directly connected with the sternum by cartilages, and are called sternal, or true, ribs. The remaining five pairs are called asternal, or false, ribs, and of these each of the three upper pairs is attached to the cartilage of the rib above, while the two lower pairs are free at the ventral ends, and are called floating ribs. See Thorax.

2. That which resembles a rib in form or use. Specifically: (a) (Shipbuilding) One of the timbers, or bars of iron or steel, that branch outward and upward from the keel, to support the skin or planking, and give shape and strength to the vessel. (b) (Mach. & Structures) A ridge, fin, or wing, as on a plate, cylinder, beam, etc., to strengthen or stiffen it. (c) One of the rods on which the cover of an umbrella is extended. (d) A prominent line or ridge, as in cloth. (e) A longitudinal strip of metal uniting the barrels of a double-barreled gun.

3. (Bot.) The chief nerve, or one of the chief nerves, of a leaf. (b) Any longitudinal ridge in a plant.

4. (Arch.) (a) In Gothic vaulting, one of the primary members of the vault. These are strong arches, meeting and crossing one another, dividing the whole space into triangles, which are then filled by vaulted construction of lighter material. Hence, an imitation of one of these in wood, plaster, or the like. (b) A projecting mold, or group of moldings, forming with others a pattern, as on a ceiling, ornamental door, or the like.

5. (Mining) (a) Solid coal on the side of a gallery; solid ore in a vein. (b) An elongated pillar of ore or coal left as a support. Raymond.

6. A wife; -- in allusion to Eve, as made out of Adam's rib. [Familiar & Sportive]

How many have we known whose heads have been broken with their own rib.

Bp. Hall.

Chuck rib, a cut of beef immediately in front of the middle rib. See Chuck. -- Fore ribs, a cut of beef immediately in front of the sirloin. -- Middle rib, a cut of beef between the chuck rib and the fore ribs. -- Rib grass. (Bot.) Same as Ribwort.

Rib, v. t. [imp. & p. p. Ribbed (?); p. pr. & vb. n. Ribbing.] 1. To furnish with ribs; to form with rising lines and channels; as, to rib cloth.

2. To inclose, as with ribs, and protect; to shut in.

It [lead] were too gross
To rib her cerecloth in the obscure grave.

Shak.

To rib land, to leave strips of undisturbed ground between the furrows in plowing.

Rib"ald (?), n./ [OE. ribald, ribaud, F. ribaud, OF. ribald, ribault, LL. ribaldus, of German origin; cf. OHG hrpa prostitute. For the ending -ald cf. E. Herald.] A low, vulgar, brutal, foul-mouthed wretch; a lewd fellow. Spenser. Pope.

Ribald was almost a class name in the feudal system . . . He was his patron's parasite, bulldog, and tool . . . It is not to be wondered at that the word rapidly became a synonym for everything ruffianly and brutal.

Earle.

Rib"ald, a. Low; base; mean; filthy; obscene.

The busy day,
Waked by the lark, hath roused the ribald crows.

Shak.

Rib"ald*ish, a. Like a ribald. Bp. Hall.

Rib"ald*rous (?), a. Of a ribald quality. [R.]

Rib"ald*ry (?), n. [OE. ribaldrie, ribaudrie, OF. ribalderie, ribauderie.] The talk of a ribald; low, vulgar language; indecency; obscenity; lewdness; -- now chiefly applied to indecent language, but formerly, as by Chaucer, also to indecent acts or conduct.

The ribaldry of his conversation moved &?;stonishment even in that age.

Macaulay.

Rib"an (?), n. See Ribbon. [Obs.] Piers Plowman.

Rib"and (?), n. See Ribbon.

Riband jasper (Min.), a variety of jasper having stripes of different colors, as red and green.

Rib"and, n. (Naut.) See Rib-band. Totten.

Rib"and*ed, a. Ribboned. B. Jonson.

Rib"aud (?), n. A ribald. [Obs.] P. Plowman.

||Ri*bau"de*quin (?), n. [F.] 1. An engine of war used in the Middle Ages, consisting of a protected elevated staging on wheels, and armed in front with pikes. It was (after the 14th century) furnished with small cannon.

2. A huge bow fixed on the wall of a fortified town for casting javelins.

{ Rib"aud*red (?), Rib"aud*rous (?), } a. Filthy; obscene; ribald. [Obs.]

Rib"aud*ry (?), n. Ribaldry. [Obs.] Spenser.

Rib"aud*y (?), n. Ribaldry. [Obs.] Chaucer.

Rib"auld (?), n. A ribald. [Obs.] Spenser.

Rib"band (?), n. A ribbon. Pope.

Rib"band` (?), n. [Rib + band.] [Written also riband, and ribbon.] (Shipbuilding) A long, narrow strip of timber bent and bolted longitudinally to the ribs of a vessel, to hold them in position, and give rigidity to the framework.

Rib-band lines, oblique longitudinal sections of the hull of a vessel. Knight.

Ribbed (?), a. 1. Furnished or formed with ribs; as, a ribbed cylinder; ribbed cloth.

2. (Mining) Intercalated with slate; -- said of a seam of coal. Raymond.

Rib"bing (?), n. An assemblage or arrangement of ribs, as the timberwork for the support of an arch or coved ceiling, the veins in the leaves of some plants, ridges in the fabric of cloth, or the like.

Rib"bon (?), n. [OE. riban, OF. riban, F. ruban, probably of German origin; cf. D. ringband collar, necklace, E. ring circle, and band.] [Written also riband, ribband.] 1. A fillet or narrow woven fabric, commonly of silk, used for trimming some part of a woman's attire, for badges, and other decorative purposes.

2. A narrow strip or shred; as, a steel or magnesium ribbon; sails torn to ribbons.

3. (Shipbuilding) Same as Rib- band.

4. pl. Driving reins. [Cant] London Athenæum.

5. (Her.) A bearing similar to the bend, but only one eighth as wide.

6. (Spinning) A silver.

The blue ribbon, and The red ribbon, are phrases often used to designate the British orders of the Garter and of the Bath, respectively, the badges of which are suspended by ribbons of these colors. See Blue ribbon, under Blue.

Ribbon fish. (Zoöl.) (a) Any elongated, compressed, ribbon-shaped marine fish of the family Trachypteridæ, especially the species of the genus Trachypterus, and the oarfish (Regelecus Banksii) of the North Atlantic, which is sometimes over twenty feet long. (b) The hairtail, or bladefish. (c) A small compressed marine fish of the genus Cepola, having a long, slender, tapering tail. The European species (C. rubescens) is light red throughout. Called also band fish. -- Ribbon grass (Bot.), a variety of reed canary grass having the leaves stripped with green and white; -- called also Lady's garters. See Reed grass, under Reed. -- Ribbon seal (Zoöl.), a North Pacific seal (Histriophoca fasciata). The adult male is dark brown, conspicuously banded and striped with yellowish white. -- Ribbon snake (Zoöl.), a common North American snake (Eutainia saurita). It is conspicuously striped with bright yellow and dark brown. -- Ribbon Society, a society in Ireland, founded in the early part of the 19th century in antagonism to the Orangemen. It afterwards became an organization of tennant farmers banded together to prevent eviction by landlords. It took its name from the green ribbon worn by members as a badge. -- Ribborn worm. (Zoöl.) (a) A tapeworm. (b) A nemertean.

Rib"bon, v. t. [imp. & p. p. Ribboned (?); p. pr. & vb. n. Ribboning.] To adorn with, or as with, ribbons; to mark with stripes resembling ribbons.

Rib"bon*ism (?), n. The principles and practices of the Ribbonmen. See Ribbon Society, under Ribbon.

Rib"bon*man (?), n.; pl. -men. A member of the Ribbon Society. See Ribbon Society, under Ribbon.

Rib"bon*wood` (?), n. (Bot.) A malvaceous tree (Hoheria populnea) of New Zealand, the bark of which is used for cordage.

||Ri"bes (?), n.[NL.; cf. Dan. ribs, and Ar. rbs a plant with an acid juice.] (Bot.) A genus of shrubs including gooseberries and currants of many kinds.

Rib"ibe (?), n. [See Rebec.] 1. A sort of stringed instrument; a rebec. [Obs.] Nares.

2. An old woman; -- in contempt. [Obs.] Chaucer.

3. A bawd; a prostitute. [Obs.] B. Jonson.

Rib"i*ble (?), n. [See Ribibe.] A small threestringed viol; a rebec. Moore (Encyc. of Music).

All can be play on gittern or ribible.

Chaucer.

Rib"less, a. Having no ribs.

Rib"roast` (?), v. t. To beat soundly. [Slang]

Rib"wort` (?), n. (Bot.) A species of plantain (Plantago lanceolata) with long, narrow, ribbed leaves; -- called also rib grass, ripple grass, ribwort plantain.

-ric (?). [AS rce kingdom, dominion. See Rich.] A suffix signifying dominion, jurisdiction; as, bishopric, the district over which a bishop exercises authority.

Rice (?), n. [F. riz (cf. Pr. ris, It. riso), L. oryza, Gr. &?;&?;&?;, &?;&?;&?;, probably from the Persian; cf. OPers. brzi, akin to Skr. vrhi; or perh. akin to E. rye. Cf. Rye.] (Bot.) A well-known cereal grass (Oryza sativa) and its seed. This plant is extensively cultivated in warm climates, and the grain forms a large portion of the food of the inhabitants. In America it grows chiefly on low, moist land, which can be overflowed.

Ant rice. (Bot.) See under Ant. -- French rice. (Bot.) See Amelcorn. -- Indian rice., a tall reedlike water grass (Zizania aquatica), bearing panicles of a long, slender grain, much used for food by North American Indians. It is common in shallow water in the Northern States. Called also water oat, Canadian wild rice, etc. -- Mountain rice, any species of an American genus (Oryzopsis) of grasses, somewhat resembling rice. -- Rice bunting. (Zoöl.) Same as Ricebird. -- Rice hen (Zoöl.), the Florida gallinule. -- Rice mouse (Zoöl.), a large dark-colored field mouse (Calomys palistris) of the Southern United States. - - Rice paper, a kind of thin, delicate paper, brought from China, -- used for painting upon, and for the manufacture of fancy articles. It is made by cutting the pith of a large herb (Fatsia papyrifera, related to the ginseng) into one roll or sheet, which is flattened out under pressure. Called also pith paper. -- Rice troupial (Zoöl.), the bobolink. -- Rice water, a drink for invalids made by boiling a small quantity of rice in water. -- Rice-water discharge (Med.), a liquid, resembling rice water in appearance, which is vomited, and discharged from the bowels, in cholera. -- Rice weevil (Zoöl.), a small beetle (Calandra, or Sitophilus, oryzæ) which destroys rice, wheat, and Indian corn by eating out the interior; -- called also black weevil.

Rice"bird` (?), n. (Zoöl.) (a) The Java sparrow. (b) The bobolink.

Rice"-shell` (?), n. (Zoöl.) Any one of numerous species of small white polished marine shells of the genus Olivella.

Rich, (rch), a. [Compar. Richer (&?;); superl. Richest.] [OE. riche, AS. rce rich, powerful; akin to OS. rki, D. rijk, G. reich, OHG. rhhi, Icel. rkr, Sw. rik, Dan. rig, Goth. reiks; from a word meaning, ruler, king, probably borrowed from Celtic, and akin to L. rex, regis, king, regere to guide, rule. √283. See Right, and cf. Derrick, Enrich, Rajah, Riches, Royal.] 1. Having an abundance of material possessions; possessed of a large amount of property; well supplied with land, goods, or money; wealthy; opulent; affluent; -- opposed to poor. "Rich merchants." Chaucer.

The rich [person] hath many friends.

Prov. xiv. 20.

As a thief, bent to unhoard the cash
Of some rich burgher.

Milton.

2. Hence, in general, well supplied; abounding; abundant; copious; bountiful; as, a rich treasury; a rich entertainment; a rich crop.

If life be short, it shall be glorious;
Each minute shall be rich in some great action.

Rowe.

The gorgeous East with richest hand
Showers on her kings barbaric pearl and gold.

Milton.

3. Yielding large returns; productive or fertile; fruitful; as, rich soil or land; a rich mine.

4. Composed of valuable or costly materials or ingredients; procured at great outlay; highly valued; precious; sumptuous; costly; as, a rich dress; rich silk or fur; rich presents.

Like to rich and various gems.

Milton.

5. Abounding in agreeable or nutritive qualities; -- especially applied to articles of food or drink which are high-seasoned or abound in oleaginous ingredients, or are sweet, luscious, and high-flavored; as, a rich dish; rich cream or soup; rich pastry; rich wine or fruit.

Sauces and rich spices are fetched from India.

Baker.

6. Not faint or delicate; vivid; as, a rich color.

7. Full of sweet and harmonius sounds; as, a rich voice; rich music.

8. Abounding in beauty; gorgeous; as, a rich landscape; rich scenery.

9. Abounding in humor; exciting amusement; entertaining; as, the scene was a rich one; a rich incident or character. [Colloq.] Thackeray.

Rich is sometimes used in the formation of self- explaining compounds; as, rich-fleeced, rich-jeweled, rich-laden, rich-stained.

Syn. -- Wealthy; affluent; opulent; ample; copious; abundant; plentiful; fruitful; costly; sumptuous; precious; generous; luscious.

Rich, v. t. To enrich. [Obs.] Gower.

Rich"es (?), n. pl. [OE. richesse, F. richesse, from riche rich, of German origin. See Rich,a.] 1. That which makes one rich; an abundance of land, goods, money, or other property; wealth; opulence; affluence.

Riches do not consist in having more gold and silver, but in having more in proportion, than our neighbors.

Locke.

2. That which appears rich, sumptuous, precious, or the like.

The riche of heaven's pavement, trodden gold.

Milton.

Richesse, the older form of this word, was in the singular number. The form riches, however, is plural in appearance, and has now come to be used as a plural.

Against the richesses of this world shall they have misease of poverty.

Chaucer.

In one hour so great riches is come to nought.

Rev. xviii. 17.

And for that riches where is my deserving?

Shak.

Syn. -- Wealth; opulence; affluence; wealthiness; richness; plenty; abundance.

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Rich"esse (?), n. [F. See Riches.] Wealth; riches. See the Note under Riches. [Obs.]

Some man desireth for to have richesse.

Chaucer.

The richesse of all heavenly grace.

Spenser.

Rich"ly (?), adv. In a rich manner.

Rich"ness, n. The quality or state of being rich (in any sense of the adjective).

Rich"weed` (?), n. (Bot.) An herb (Pilea pumila) of the Nettle family, having a smooth, juicy, pellucid stem; -- called also clearweed.

Ric`in*e`la*id"ic (?), a. [Ricinoleic + elaidic.] Pertaining to, or designating, an isomeric modification of ricinoleic acid obtained as a white crystalline solid.

Ric`in*e*la"i*din (?), n. (Chem.) The glycerin salt of ricinelaidic acid, obtained as a white crystalline waxy substance by treating castor oil with nitrous acid.

Ri*cin"ic (?), a. [L. ricinus castor-oil plant.] (Chem.) Pertaining to, or derived from, castor oil; formerly, designating an acid now called ricinoleic acid.

Ric"i*nine (?), n. [L. ricinus castor-oil plant.] (Chem.) A bitter white crystalline alkaloid extracted from the seeds of the castor-oil plant.

Ric`in*o"le*ate (?), n. (Chem.) A salt of ricinoleic acid; -- formerly called palmate.

Ric`in*o"le*ic (?), a. (Chem.) Pertaining to, or designating, a fatty acid analogous to oleic acid, obtained from castor oil as an oily substance, C&?;H&?;O&?; with a harsh taste. Formerly written ricinolic.

Ric`in*o"le*in (?), n. [L. ricinus castor-oil plant + oleum oil.] (Chem.) The glycerin salt of ricinoleic acid, occuring as a characteristic constituent of castor oil; -- formerly called palmin.

Ric`i*nol"ic (?), a. (Chem.) Ricinoleic.

||Ric"i*nus (&?;), n. [L., the castor- oil plant.] (Bot.) A genus of plants of the Spurge family, containing but one species (R. communis), the castor-oil plant. The fruit is three-celled, and contains three large seeds from which castor oil iss expressed. See Palma Christi.

Rick (?), n. [OE. reek, rek, AS. hreác a heap; akin to hryce rick, Icel. hraukr.] A stack or pile, as of grain, straw, or hay, in the open air, usually protected from wet with thatching.

Golden clusters of beehive ricks, rising at intervals beyond the hedgerows.

G. Eliot.

Rick, v. t. To heap up in ricks, as hay, etc.

Rick"er (?), n. A stout pole for use in making a rick, or for a spar to a boat.

Rick"et*ish (?), a. Rickety. [Obs.] Fuller.

Rick"ets (?), n. pl. [Of uncertain origin; but cf. AS. wrigian to bend, D. wrikken to shake, E. wriggle.] (Med.) A disease which affects children, and which is characterized by a bulky head, crooked spine and limbs, depressed ribs, enlarged and spongy articular epiphyses, tumid abdomen, and short stature, together with clear and often premature mental faculties. The essential cause of the disease appears to be the nondeposition of earthy salts in the osteoid tissues. Children afflicted with this malady stand and walk unsteadily. Called also rachitis.

Rick"et*y (?), a. 1. Affected with rickets.

2. Feeble in the joints; imperfect; weak; shaky.

Rick"rack` (?), n. A kind of openwork edging made of serpentine braid.

Rick"stand` (?), n. A flooring or framework on which a rick is made.

Ric`o*chet" (?), n. [F.] A rebound or skipping, as of a ball along the ground when a gun is fired at a low angle of elevation, or of a fiat stone thrown along the surface of water.

Ricochet firing (Mil.), the firing of guns or howitzers, usually with small charges, at an elevation of only a few degrees, so as to cause the balls or shells to bound or skip along the ground.

Ric`o*chet" (?), v. t. [imp. & p. p. Ricochetted; p. pr. & vb. n. Ricochetting.] To operate upon by ricochet firing. See Ricochet, n. [R.]

Ric`o*chet", v. i. To skip with a rebound or rebounds, as a flat stone on the surface of water, or a cannon ball on the ground. See Ricochet, n.

Ric"tal (?), a. (Zoöl.) Of or pertaining to the rictus; as, rictal bristles.

Ric"ture (?), n. [L. ringi, rictus, to open wide the mouth, to gape.] A gaping. [Obs.]

||Ric"tus (?), n. [L., the aperture of the mouth.] The gape of the mouth, as of birds; -- often resricted to the corners of the mouth.

Rid (?), imp. & p. p. of Ride, v. i. [Archaic]

He rid to the end of the village, where he alighted.

Thackeray.

Rid, v. t. [imp. & p. p. Rid or Ridded; p. pr. & vb. n. Ridding.] [OE. ridden, redden, AS. hreddan to deliver, liberate; akin to D. & LG. redden, G. retten, Dan. redde, Sw. rädda, and perhaps to Skr. &?;rath to loosen.] 1. To save; to rescue; to deliver; -- with out of. [Obs.]

Deliver the poor and needy; rid them out of the hand of the wicked.

Ps. lxxxii. 4.

2. To free; to clear; to disencumber; -- followed by of. "Rid all the sea of pirates." Shak.

In never ridded myself of an overmastering and brooding sense of some great calamity traveling toward me.

De Quincey.

3. To drive away; to remove by effort or violence; to make away with; to destroy. [Obs.]

I will red evil beasts out of the land.

Lev. xxvi. 6.

Death's men, you have rid this sweet young prince!

Shak.

4. To get over; to dispose of; to dispatch; to finish. [R.] "Willingness rids way." Shak.

Mirth will make us rid ground faster than if thieves were at our tails.

J. Webster.

To be rid of, to be free or delivered from. -- To get rid of, to get deliverance from; to free one's self from.

Rid"a*ble (?), a. Suitable for riding; as, a ridable horse; a ridable road.

Rid"dance (?), n. 1. The act of ridding or freeing; deliverance; a cleaning up or out.

Thou shalt not make clean riddance of the corners of thy field.

Lev. xxiii. 22.

2. The state of being rid or free; freedom; escape. "Riddance from all adversity." Hooker.

Rid"den (?), p. p. of Ride.

Rid"der (?), n. One who, or that which, rids.

Rid"dle (?), n. [OE. ridil, AS. hridder; akin to G. reiter, L. cribrum, and to Gr. &?;&?;&?; to distinguish, separate, and G. rein clean. See Crisis, Certain.] 1. A sieve with coarse meshes, usually of wire, for separating coarser materials from finer, as chaff from grain, cinders from ashes, or gravel from sand.

2. A board having a row of pins, set zigzag, between which wire is drawn to straighten it.

Rid"dle, v. t. [imp. & p. p. Riddled (?); p. pr. & vb. n. Riddling (?).] 1. To separate, as grain from the chaff, with a riddle; to pass through a riddle; as, riddle wheat; to riddle coal or gravel.

2. To perforate so as to make like a riddle; to make many holes in; as, a house riddled with shot.