1 [uncountable]TI a substance used to make tyres, boots etc, which is made from the juice of a tropical tree or artificially :
a rubber ball
a rubber ball2 [countable] British English
a) a small piece of rubber or similar material used for removing pencil marks from paper [= eraser American English]
b) an object used for cleaning marks from a blackboard [= eraser American English]
3 [countable] American English informalMB a condom
4 rubber shoes or boots that you wear over ordinary shoes when it rains or snows [= galoshes]
rubbers
[plural] American English old-fashionedDCC5 [countable]DGC a series of games of bridge or cricket
6 [countable]DSG the piece of white rubber where the pitcher (=person who throws the ball) stands in a baseball game

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