a coarse, fibrous cylindrical object which is used like a bath sponge for washing. It consists of the dried fibrous matter of the fluid-transport system of a marrow-like fruit 丝瓜瓤
the tropical Old World climbing plant of the gourd family which produces these fruits, which are also edible 丝瓜
Luffa cylindrica, family Cucurbitaceae 拉丁名Luffa cylindrica,葫芦科
语源
late 19th cent.: from Egyptian Arabic lūfa, denoting the plant