rubber

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

coat or impregnate with rubber

“rubberize fabric for rain coats”

a waterproof overshoe that protects shoes from water or snow

any of various synthetic elastic materials whose properties resemble natural rubber

returned for lack of funds

“a rubber check”

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

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

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

“he won three out of five games to take the rubber”