WordNet (r) 3.0 (2006):

luffa
    n 1: the dried fibrous part of the fruit of a plant of the genus
         Luffa; used as a washing sponge or strainer [syn: loofa,
         loofah, luffa, loufah sponge]
    2: any of several tropical annual climbers having large yellow
       flowers and edible young fruits; grown commercially for the
       mature fruit's dried fibrous interior that is used as a
       sponge [syn: luffa, dishcloth gourd, sponge gourd, rag
       gourd, strainer vine]