Pronunciation: (lOO'fu),[key] —n. 1. Also called dishcloth gourd, rag gourd. a. any of several tropical vines of the genus Luffa, of the gourd family, bearing large, elongated fruit.
b. the fruit of such a vine.
2. Also called vegetable sponge. the dried, fibrous interior of this fruit, used as a sponge. Also,loo'fa,luffa.