What does "rubber" mean?

Rubber: 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.

Additional senses

  1. 2.India rubber; caoutchouc.
  2. 3.An overshoe made of India rubber. [Colloq.] Antimony rubber, an elastic durable variety of vulcanized caoutchouc of a red color. It contains antimony sulphide as an important constituent. -- Hard rubber, a kind of vulcanized caoutchouc which nearly resembles horn in texture, rigidity, etc. -- India rubber, caoutchouc. See Caoutchouc. -- Rubber cloth, cloth covered with caoutchouc for excluding water or moisture. -- Rubber dam (Dentistry), a shield of thin sheet rubber clasped around a tooth to exclude saliva from the tooth.

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