n. & v.
n. 1 a long narrow usu. wooden box in which a corpse is buried or cremated. 2 the part of a horse's hoof below the coronet.
v.tr. (coffined, coffining) put in a coffin. coffin-bone a bone in a horse's hoof. coffin corner US Football the corner between the goal-line and sideline. coffin-joint the joint at the top of a horse's hoof. coffin-nail sl. a cigarette.
[ ME f. OF cof(f)in little basket etc. f. L cophinus: see COFFER ]