(uncountable) Pliable material derived from the sap of the rubber tree; a hydrocarbon polymer of isoprene.
(uncountable, countable) Synthetic materials with the same properties as natural rubber.
(countable, Australia, India, Brunei, New Zealand, UK) An eraser.
(countable, Canada, US, slang) A condom.
A person or object that rubs, such as someone who rubs down horses, practices massage, uses a coarse towel for rubbing the body, or uses an abrasive for rubbing with tools like a whetstone, file, or emery cloth.
(historical) The cushion of an electric machine.
(countable, baseball) The rectangular pad on the pitcher's mound from which the pitcher must pitch.
(Canada, US, in the plural) Water-resistant shoe covers, galoshes, overshoes.
(uncountable, slang) Tires, particularly racing tires.
(slang, dated) A hardship or misfortune.
A series of games or matches between two competitors, where the overall winner is determined by winning a majority of the individual games or matches, particularly in sports such as bridge, whist, or racquet sports.
(sports, Canada, US) 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.
(slang, of a draft/check) Not covered by funds on account.