Defn: A car or chariot drawn by four horses abreast.

QUADRIGEMINAL; QUADRIGEMINOUS Quad`ri*gem"i*nal, Quad`ri*gem"i*nous, a. Etym: [Quadri- + L. gemini twins.]

Defn: Fourfold; having four similar parts, or two pairs of similar parts. Quadrigeminal bodies (Anat.), two pairs of lobes, or elevations, on the dorsal side of the midbrain of most mammals; the optic lobes. The anterior pair are called the nates, and the posterior the testes.

QUADRIGENARIOUS Quad`ri*ge*na"ri*ous, a. Etym: [L. quadrigeni, quadringeni, four hundred each.]

Defn: Consisting of four hundred.

QUADRIJUGATE
Quad*rij"u*gate, a.

Defn: Same as Quadrijugous.

QUADRIJUGOUS Quad*rij"u*gous, a. Etym: [L. quadrijugus of a team of four; quattuor four + jugum yoke.] (Bot.)

Defn: Pinnate, with four pairs of leaflets; as, a quadrijugous leaf.

QUADRILATERAL Quad`ri*lat"er*al, a. Etym: [L. quadrilaterus: cf. F. quadrilatère, quadrilatéral. See Quadri- and Lateral.]