rubber
/ˈrʌb·ər/ n [C/U]Definition
› an elastic, waterproof substance made either from the juice of a tree that grows in hotter parts of the world or artificially: [U] rubber boots/gloves [U] Tires are made of rubber. › Br A rubber is an eraser. › Rubbers are waterproof shoes made of rubber, which are worn over regular shoes to keep them dry: [pl] Wear your rubbers – it’s raining.
(Definition of rubber n from the Cambridge Academic Content Dictionary
© Cambridge University Press)
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