(a.) A measure of length, being two inches and a quarter, or the sixteenth of a yard.
(n.) A slender, pointed piece of metal, usually with a head, used for fastening pieces of wood or other material together, by being driven into or through them.
(n.) The basal thickened portion of the anterior wings of certain hemiptera.
(n.) the horny scale of plate of epidermis at the end of the fingers and toes of man and many apes.
(n.) The terminal horny plate on the beak of ducks, and other allied birds.
(n.) To fasten with a nail or nails; to close up or secure by means of nails; as, to nail boards to the beams.
(n.) To fasten, as with a nail; to bind or hold, as to a bargain or to acquiescence in an argument or assertion; hence, to catch; to trap.
(n.) To spike, as a cannon.
(n.) To stud or boss with nails, or as with nails.