(n.) Woolly or villous surface of felt, cloth, plants, etc.; an external covering of down, of short fine hairs or fibers forming part of the substance of anything, and lying smoothly in one direction; the pile; -- as, the nap of cotton flannel or of broadcloth.
(n.) The loops which are cut to make the pile, in velvet.
(v. i.) To have a short sleep; to be drowsy; to doze.