Rash, rash, adj. (comp. Rash′er; superl. Rash′est) hasty: headstrong: incautious.—adj. Rash′-embraced′ (Shak.), rashly undertaken.—ns. Rash′er, a thin slice of broiled bacon, perh. because quickly roasted; Rash′ling, a rash person.—adv. Rash′ly, precipitately.—n. Rash′ness. [Dan. and Sw. rask; Ger. rasch, rapid.]

Rash, rash, n. a slight eruption on the skin. [O. Fr. rasche (Fr. rache)—L. radĕre, to scratch.]

Rash, rash, v.t. (obs.) to tear, to lacerate. [Fr. arracher, to uproot.]

Raskolnik, ras-kol′nik, n. in Russia, a schismatic, a dissenter from the orthodox or Greek Church.

Rasorial, ra-sō′ri-al, adj. belonging to an order of birds which scrape the ground for their food, as the hen.—n.pl. Rasō′res, the Gallinæ. [Rase.]

Rasp, rasp, v.t. to rub with a coarse file: to utter in a grating manner.—v.i. to have a grating effect.—n. a coarse file.—ns. Rasp′atory, a surgeon's rasp; Rasp′er, that which rasps: (coll.) a difficult fence; Rasp′-house, a place where wood is reduced to powder for dyeing; Rasp′ing, a filing.—adj. exasperating.—adv. Rasp′ingly.—ns. Rasp′ing-machine′, a bark-cutting machine; Rasp′ing-mill; Rasp′-punch, a tool for cutting the teeth of rasps.—adj. Rasp′y, rough. [O. Fr. rasper (Fr. râper)—Old High Ger. raspōn, whence Ger. raspeln, to rasp.]

Raspberry, raz′ber-i, n. the fruit of several plants of genus Rubus, the plant producing it—also Rasp.—n. Rasp′berry-bush, the shrub which yields the raspberry.—Raspberry borer, the larvæ of one of the clear-winged sphinxes; Raspberry vinegar, a drink of raspberry juice, vinegar, and sugar.

Rastrum, ras′trum, n. a music-pen. [Rase.]

Rat, rat, n. an animal of the genus Mus, larger and more destructive than the mouse: a renegade, turncoat: a workman who accepts lower than the authorised wages, who declines to join in a strike, or who takes a striker's work: a roll of anything used to puff out the hair which is turned over it.—v.i. (coll.) to desert one's party and join their opponents for gain or power: to take lower than current wages, to refuse to join in a strike, to take a striker's place:—pr.p. rat′ting; pa.p. and pa.t. rat′ted.—ns. Rat′-catch′er, one whose business it is to catch rats; Rat′-catch′ing; Rat′-hole (print.), a pigeon-hole; Rat′-pit, an enclosure where rats are killed; Rat′-poi′son, a preparation of arsenic; Rat's′-bane, poison for rats: arsenious acid; Rat′-tail, an excrescence growing on a horse's leg.—adj. Rat′-tailed, having a tail like a rat.—ns. Rat′ter, a terrier which catches rats; Rat′tery, apostasy; Rat′ting, deserting one's principles: working for less than the usual prices: setting a dog to kill rats in a pit; Rat′-trap, a trap for catching rats.—Rat-tailed larva, the larva of certain syrphid flies.—Smell a rat, to have a suspicion. [A.S. ræt; Ger. ratte.]

Rata, rä′ta, n. a New Zealand tree related to various species of Ironwood, its wood once much used for making clubs, and valuable for shipbuilding.