Definition of "Rubber" :

noun: a waterproof overshoe that protects shoes from water or snow

noun: contraceptive device consisting of a sheath of thin rubber or latex that is worn over the penis during intercourse

noun: an eraser made of rubber (or of a synthetic material with properties similar to rubber); commonly mounted at one end of a pencil

noun: a contest consisting of a series of successive matches between the same sides

"He won three out of five games to take the rubber."

noun: an elastic material obtained from the latex sap of trees (especially trees of the genera Hevea and Ficus) that can be vulcanized and finished into a variety of products

noun: any of various synthetic elastic materials whose properties resemble natural rubber

verb: coat or impregnate with rubber

"Rubberize fabric for rain coats."

adjective: returned for lack of funds

"A rubber check."