(Quad`ri*sul"cate) a. [Quadri + sulcate.] (Zoöl.) Having four hoofs; as, a quadrisulcate
foot; a quadrisulcate animal.
(Quad`ri*syl*lab"ic Quad`ri-syl*lab"ic*al) Having four syllables; of or pertaining to quadrisyllables; as,
a quadrisyllabic word.
(Quad`ri*syl"la*ble) n. [Quadri- + syllable: cf. F. quadrisyllabe.] A word consisting of
four syllables. De Quincey.
(Quad*riv"a*lence) n. (Chem.) The quality or state of being quadrivalent; tetravalence.
(Quad*riv"a*lent) a. [Quadri- + L. valens, -entis, p. pr. See Valence.] (Chem.) Having
a valence of four; capable of combining with, being replaced by, or compared with, four monad atoms; tetravalent;
said of certain atoms and radicals; thus, carbon and silicon are quadrivalent elements.
(Quad"ri*valve) a. [Quadri- + valve: cf. F. quadrivalve.] (Bot.) Dehiscent into four similar
parts; four-valved; as, a quadrivalve pericarp.
(Quad"ri*valve), n. (Arch.) A door, shutter, or the like, having four folds.
(Quad`ri*val"vu*lar) a. Having four valves; quadrivalve.
(Quad*riv"i*al) a. [L. quadrivium a place where four ways meet; quattuor four + via way.]
Having four ways meeting in a point. B. Jonson.
(Quad*riv"i*al), n. One of the four "liberal arts" making up the quadrivium.
(||Quad*riv"i*um) n. [L.] The four "liberal arts," arithmetic, music, geometry, and astronomy;
so called by the schoolmen. See Trivium.
(Quad*roon") n. [F. quarteron, or Sp. cuarteron. See Quarter a fourth part, and cf. Quarteron.]
The offspring of a mulatto and a white person; a person quarter-blooded. [Written also quarteron, quarteroon,
(Quad*rox"ide) n. [Quadri- + oxide.] (Chem.) A tetroxide. [R.]
(||Quad*ru"ma*na) n. pl. [NL. See Quadrumane.] (Zoöl.) A division of the Primates comprising
the apes and monkeys; so called because the hind foot is usually prehensile, and the great toe opposable
somewhat like a thumb. Formerly the Quadrumana were considered an order distinct from the Bimana,
which last included man alone.
(Quad"ru*mane) n. [L. quattuor four + manus a hand: cf. F. quadrumane.] (Zoöl.) One
of the Quadrumana.
(Quad*ru"ma*nous) a. (Zoöl.) Having four hands; of or pertaining to the Quadrumana.
(Quad"ru*ped) a. [L. quadrupes, -pedis; quattuor four + pes, pedis, a foot: cf. F. quadrupède.
See Quadrate, and Foot.] Having four feet.
(Quad"ru*ped), n. (Zoöl.) An animal having four feet, as most mammals and reptiles;
often restricted to the mammals.
(Quad*ru"pe*dal) a. (Zoöl.) Having four feet; of or pertaining to a quadruped.
(Quad"ru*ple) a. [L. quadruplus, from quattuor four: cf. F. quadruple. See Quadrate, and
cf. Double.] Fourfold; as, to make quadruple restitution; a quadruple alliance.