Part 332

||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.