n. The wrist, wrist-joint, or carpal articulation; the proximal segment of the manus or hand, corresponding to the tarsus of the foot; the joint by which the hand or distal division of the fore limb is connected with the forearm. Thus, in a horse, the so-called “knee” is the carpus.n. Especially the carpal bones or carpalia, collectively considered; a number of small irregularly nodular bones intervening between the bones of the antebrachium and those of the metacarpus, and constituting the proximal division of the skeleton of the manus or hand.n. In Crustacea, the fifth joint of the normally 7-jointed leg, between the meros and the propodos.n. In entomology, a name sometimes applied to the pterostigma or colored spot on the anterior edge of the wings in many insects.n. In entomology: The club of the stigmal vein in the fore wing of an insect of the family Chalcididæ.n. In ichth, same as actinost.