COFFIN n.
is the coffin bone. Coffin bone, the foot bone of the horse and allied animals, inclosed within the hoof, and corresponding to the third phalanx of the middle finger, or toe, of most mammals. -- Coffin joint, the joint next above the coffin bone.
COLLAR n.
or round flange upon, surrounding, or against an object, and used for rastraining motion within given limits, or for holding something to its place, or for hibing an opening around an object; as, a collar on a shaft, used to prevent endwise motion of the shaft; a collar surrounding a stovepipe at the place where it en…