Quadrennial, kwod-ren′yal, adj. comprising four years: once in four years.—adv. Quadrenn′ially.—ns. Quadrenn′iate, Quadrenn′ium, Quadrienn′ium, a period of four years. [L. quadrennis—quatuor, four, annus, a year.]
Quadric, kwod′rik, adj. (alg.) of the second degree, quadratic—esp. in solid geometry and where there are more than two variables.—n. Quad′ricone, a quadric cone.
Quadricentennial, kwod-ri-sen-ten′i-al, adj. pertaining to a period of 400 years.—n. the 400th anniversary of an event or its celebration.
Quadriceps, kwod′ri-seps, n. the great muscle which extends the leg upon the thigh.—adj. Quadricip′ital. [L. quatuor, four, caput, head.]
Quadricorn, kwod′ri-korn, adj. and n. having four horns, antennæ, &c.—Also Quadricorn′ous.
Quadricycle, kwod′ri-sī-kl, n. a four-wheeled vehicle propelled by the feet. [L. quatuor, four, Low L. cyclus—Gr. kyklos, a circle.]
Quadridentate, kwod-ri-den′tāt, adj. having four teeth. Quadridigitate, kwod-ri-dij′i-tāt, adj. having four digits: quadrisulcate.
Quadrifid, kwod′ri-fid, adj. four-cleft.
Quadrifoliate, kwod-ri-fō′li-āt, adj. four-leaved.
Quadriform, kwod′ri-form, adj. fourfold in form, arrangement, &c.