· 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

Synonym(s): natural_rubber, India_rubber, gum_elastic, caoutchouc

Hypernym(s): latex

· any of various synthetic elastic materials whose properties resemble natural rubber

Synonym(s): synthetic_rubber

Hypernym(s): synthetic, synthetic_substance

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

Synonym(s): rubber_eraser, pencil_eraser

Hypernym(s): eraser

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

Synonym(s): condom, safety, safe, prophylactic

Hypernym(s): contraceptive, preventive, preventative, contraceptive_device, prophylactic_device, birth_control_device

· a waterproof overshoe that protects shoes from water or snow

Synonym(s): arctic, galosh, golosh, gumshoe

Hypernym(s): overshoe

· coat or impregnate with rubber; "rubberize fabric for rain coats"

Synonym(s): rubberize, rubberise

Hypernym(s): coat, surface

· returned for lack of funds; "a rubber check"; "a no-good check"

Synonym(s): no-good