n. - An elastic apparatus or fender, for deadening the jar caused by the collision of bodies; as, a buffer at the end of a railroad car.
n. - A pad or cushion forming the end of a fender, which receives the blow; -- sometimes called buffing apparatus.
n. - One who polishes with a buff.
n. - A wheel for buffing; a buff.
n. - A good-humored, slow-witted fellow; -- usually said of an elderly man.