Main Entry: rub·ber

Pronunciation: \ˈrəb-ər\

Function: noun

1 : an elastic substance that is obtained by coagulating the milky juice of any of various tropical plants (as of the genera Hevea and Ficus), is essentially a polymer of isoprene, and is prepared as sheets and then dried—called also caoutchouc, india rubber
2 : condom 1