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A division or distribution by four, or into four parts; also, a taking the fourth part of any quantity or number.

Having four wings; -- said of insects.

Having four leaves; quadrifoliate.

A galley with four banks of oars or rowers.

A subdivision into four parts.

Having four hoofs; as, a quadrisulcate foot; a quadrisulcate animal.

Having four syllables; of or pertaining to quadrisyllables; as, a quadrisyllabic word.

A word consisting of four syllables. De Quincey.

The quality or state of being quadrivalent; tetravalence.

d atoms; tetravalent; -- said of certain atoms and radicals; thus, carbon and silicon are quadrivalent elements.

Dehiscent into four similar parts; four-valved; as, a quadrivalve pericarp.

Having four valves; quadrivalve.

One of the four "liberal arts" making up the quadrivium.

The four "liberal arts," arithmetic, music, geometry, and astronomy; -- so called by the schoolmen. See Trivium.

The offspring of a mulatto and a white person; a person quarter-blooded. [Written also quarteron, quarteroon, and quateron.]

A tetroxide. [R.]

ot 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.

One of the Quadrumana.

Having four hands; of or pertaining to the Quadrumana.

Having four feet.