Car´tilage, n. A whitish, hard, and solid, but elastic, flexible, and soluble, substance of the body, permanent, or becoming osseous by deposition of bone-earth. It occurs in the windpipe, in many joints, and elsewhere.
Cartilag´inous, a. Like, containing, or consisting of, cartilage.
Car´uncle, n. Small fleshy excrescence, particularly about the head, usually naked, and wrinkled, warty, or brightly colored.
Carun´culate, a. Having caruncles.
Cau´da, n. The tail. (69.) In descriptive ornithology, generally only the tail-feathers are meant. Cauda navicularis = Boat-shaped Tail (which see).
Cau´dad. Backwards; toward the tail.
Cau´dal, a. Pertaining to the tail; as, caudal vertebræ, or caudal extremity; but we hardly say caudal feathers.
Cell, n. Any closed sac containing fluid or other substance.
Cel´lular, a. Having cells; composed of cells.
Cen´tre of Grav´ity, n. Point of a body about which the whole is balanced, and which, if supported, supports the whole. In a flying bird the centre of gravity is below the middle of the body, so that the bird is naturally ballasted.