[ L., from quattuor four. See Four. ] A combining form meaning four, four times, fourfold;
a. [ Quadri- + basic. ] (Chem.) Same as Tetrabasic. [ 1913 Webster ]
a. Quadrable. [ R. ] [ 1913 Webster ]
n.
a. (Math.) Of or pertaining to the second degree. [ 1913 Webster ]
a. [ Quadri- + capsular. ] (Bot.) Having four capsules. [ 1913 Webster ]
‖n. [ NL., fr. L. qyattuor four + caput head. ] (Anat.) The great extensor muscle of the knee, divided above into four parts which unite in a single tendon at the knee. [ 1913 Webster ]
n. (Anat.) Of or pertaining to the quadriceps. [ 1913 Webster ]
n. [ See Quadricornous. ] (Zool.) Any quadricornous animal. [ 1913 Webster ]
a. [ Quadri- + L. cornu horn: cf. F. quadricorne. ] (Zool.) Having four horns, or hornlike organs;