Rub"ber (?), n. 1. One who, or that which, rubs. Specifically: (a) An
instrument or thing used in rubbing, polishing, or cleaning. (b) A
coarse file, or the rough part of a file. (c) A whetstone; a rubstone.
(d) An eraser, usually made of caoutchouc. (e) The cushion of an
electrical machine. (f) One who performs massage, especially in a
Turkish bath. (g) Something that chafes or annoys; hence, something
that grates on the feelings; a sarcasm; a rub. Thackeray.
2. 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. Beaconsfield. "A rubber of cribbage." Dickens.