(n.) A coarse file, or the rough part of a file.
(n.) A whetstone; a rubstone.
(n.) An eraser, usually made of caoutchouc.
(n.) An instrument or thing used in rubbing, polishing, or cleaning.
(n.) An overshoe made of India rubber.
(n.) In some games, as whist, the odd game, as the third or the fifth, when there is a tie between the players; as, to play the rubber; also, a contest determined by the winning of two out of three games; as, to play a rubber of whist.
(n.) India rubber; caoutchouc.
(n.) One who performs massage, especially in a Turkish bath.
(n.) One who, or that which, rubs.
(n.) Something that chafes or annoys; hence, something that grates on the feelings; a sarcasm; a rub.
(n.) The cushion of an electrical machine.