Open English Wordnet
Nouns
(n)rubber, natural rubber, India rubber, gum elastic, caoutchoucan 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
(n)rubber, synthetic rubberany of various synthetic elastic materials whose properties resemble natural rubber
(n)rubber eraser, rubber, pencil eraseran eraser made of rubber (or of a synthetic material with properties similar to rubber); commonly mounted at one end of a pencil
