Rubber

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

any of various synthetic elastic materials whose properties resemble natural rubber

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

an eraser made of rubber (or of a synthetic material with properties similar to rubber)

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

a waterproof overshoe that protects shoes from water or snow

coat or impregnate with rubber

returned for lack of funds