Buffer

Webster's Dictionary of the English Language

·noun A wheel for buffing; a buff.

II. Buffer ·noun One who polishes with a buff.

III. Buffer ·noun A good-humored, slow-witted fellow;

— usually said of an elderly man.

IV. Buffer ·noun A pad or cushion forming the end of a fender, which receives the blow;

— sometimes called buffing apparatus.

V. Buffer ·noun 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.