2. (Bot. & Zoöl.) Same as Rhachis.

Ra*chit"ic (r*kt"k), a. [Cf. F. rachitique. See Rachitis.] (Med.) Of or

pertaining to rachitis; affected by rachitis; rickety.

||Ra*chi"tis (r*k"ts), n. [NL., fr. Gr. "rachi^tis (sc. nosos), fr.

||"ra`chis, -ios, the spine.] [Written also rhachitis.] 1. (Med.)

||Literally, inflammation of the spine, but commonly applied to the

||rickets. See Rickets.

2. (Bot.) A disease which produces abortion in the fruit or seeds.

Henslow.

Ra"chi*tome (r"k*tm), n. [F., fr. Gr. "ra`chis, - ios, the spine +

te`mnein to cut.] A dissecting instrument for opening the spinal canal.

[Written also rachiotome.]

Ra"cial (r"shal), a. Of or pertaining to a race or family of men; as,

the racial complexion.

Ra"ci*ly (r"s*l), adv. In a racy manner.

Ra"ci*ness (r"s*ns), n. The quality of being racy; peculiar and piquant

flavor.

The general characteristics of his [Cobbett's] style were

perspicuity, unequaled and inimitable; . . . a purity always

simple, and raciness often elegant.

London Times.

Ra"cing (r"sng), a. & n. from Race, v. t. & i.

Racing crab (Zoöl.), an ocypodian.

Rack (rk), n. Same as Arrack.

Rack, n. [AS. hracca neck, hinder part of the head; cf. AS. hraca

throat, G. rachen throat, E. retch.] The neck and spine of a fore

quarter of veal or mutton.

Rack, n. [See Wreck.] A wreck; destruction. [Obs., except in a few

phrases.]

Rack and ruin, destruction; utter ruin. [Colloq.] -- To go to rack, to

perish; to be destroyed. [Colloq.] "All goes to rack." Pepys.

Rack, n. [Prob. fr. Icel. rek drift, motion, and akin to reka to drive,

and E. wrack, wreck. √282.] Thin, flying, broken clouds, or any

portion of floating vapor in the sky. Shak.

The winds in the upper region, which move the clouds above, which

we call the rack, . . . pass without noise.

Bacon.

And the night rack came rolling up.

The Gutenberg Webster's Unabridged Dictionary: Section R · 第 17 / 1346 题