(1):
(n.) A coarse file, or the rough part of a file.
(2):
(n.) One who, or that which, rubs.
(3):
(n.) An instrument or thing used in rubbing, polishing, or cleaning.
(4):
(n.) An eraser, usually made of caoutchouc.
(5):
(n.) A whetstone; a rubstone.
(6):
(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.
(7):
(n.) One who performs massage, especially in a Turkish bath.
(8):
(n.) The cushion of an electrical machine.
(9):
(n.) An overshoe made of India rubber.
(10):
(n.) Something that chafes or annoys; hence, something that grates on the feelings; a sarcasm; a rub.
(11):
(n.) India rubber; caoutchouc.