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Of or pertaining to the second degree.

Having four capsules.

The great extensor muscle of the knee, divided above into four parts which unite in a single tendon at the knee.

Of or pertaining to the quadriceps.

Any quadricornous animal.

Having four horns, or hornlike organs; as, a quadricornous beetle.

Having four ribs.

The Indian four-horned antelope (Tetraceros quadricornis).

Having the same foci; as, confocal quadrics.

A marine plectognath fish (Ostracoin quadricorne, and allied species), having two projections, like horns, in front; -- called also cuckold, coffer fish, trunkfish.

den strain upon the patellar tendon of the knee, which causes a sudden contraction of the quadriceps muscle; one of the so-called tendon reflexes. -- Knee joint. See in the Vocabulary. -- Knee timber, timber with knees or angles in it. -- Knee tribute, or Knee worship, tribute paid by kneeling; worship by genuflecti…

den strain upon the patellar tendon of the knee, which causes a sudden contraction of the quadriceps muscle.

[Obs.] Spenser. Principal axis. See Axis of a curve, under Axis. -- Principal axes of a quadric (Geom.), three lines in which the principal planes of the solid intersect two and two, as in an ellipsoid. -- Principal challenge. (Law) See under Challenge. -- Principal plane. See Plane of projection (a), under Plane.…

A combining form meaning four, four times, fourfold; as, quadricapsular, having four capsules.

riables, in general containing only positive integral powers of the variables, and called quadric, cubic, quartic, etc., according as it is of the second, third, fourth, fifth, or a higher degree. These are further called binary, ternary, quaternary, etc., according as they contain two, three, four, or more variables;…