Rubber /(?)/

Rub·ber

Rubber

n.
  1. One who, or that which, rubs.
  2. In some games, as bridge or whist, the odd game, as the third or the fifth, which decides the winner 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.
  3. India rubber; caoutchouc; gum elastic; -- also called natural rubber.
  4. Any substance, whether natural or synthetic, resembling India rubber with respect to its elasticity[1].
  5. A low-cut overshoe made of natural or synthetic rubber[4], serving to keep the feet and shoes dry when walking in the rain or on a wet surface; -- usually used in the plural.
  6. A condom. [Slang]

Phrases & Compounds
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
a shield of thin sheet rubber clasped around a tooth to exclude saliva from the tooth.