rubber
(natural rubber) Pliable material derived from the sap of the rubber tree; a hydrocarbon biopolymer of isoprene.
(any natural or synthetic rubber) Natural rubber or any of various synthetic materials with similar properties as natural rubber.
(UK) An eraser.
(slang) A condom.
Someone or something which rubs.
One who rubs down horses.
One who practises massage.
A coarse towel for rubbing the body.
An abrasive for rubbing with: a whetstone, file, or emery cloth, etc.
(historical) The cushion of an electric machine.
(baseball) The rectangular pad on the pitcher's mound from which the pitcher must pitch.
(in the plural) Water-resistant shoe covers, galoshes, overshoes.
(slang) Tires, particularly racing tires.
(dated) A hardship or misfortune.
(of a draft/check) Not covered by funds on account.
(sports) In relation to a series of games or matches between two competitors where the overall winner of the series is the competitor which wins a majority of the individual games or matches:
The entire series, of an odd number of games or matches in which ties are impossible (especially a series of three games in bridge or whist).
An individual match within the series (especially in racquet sports).
(North America) A rubber match; a game or match played to break a tie.
The game of rubber bridge.
(telephony) To eavesdrop on a telephone call
(slang) To rubberneck; to observe with unseemly curiosity.