1. (

• rubber ,
• natural_rubber ,
• India_rubber ,
• gum_elastic ,
• caoutchouc

) 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 ;

2. (

• rubber ,
• synthetic_rubber

) any of various synthetic elastic materials whose properties resemble natural rubber ;

3. (

• rubber

) a contest consisting of a series of successive matches between the same sides; "he won three out of five games to take the rubber" ;

4. (

• rubber_eraser ,
• rubber ,
• pencil_eraser

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

5. (

• condom ,
• rubber ,
• safety ,
• safe ,
• prophylactic

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

6. (

• arctic ,
• galosh ,
• golosh ,
• rubber ,
• gumshoe

) a waterproof overshoe that protects shoes from water or snow ;

1. (

• rubberize ,
• rubberise ,
• rubber

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

1. (

• rubber ,
• no-good

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