Synonyms for Loofah (same or very similar meaning)
WordNet sense 1 (the dried fibrous part of the fruit of a plant of the genus Luffa; used as a washing sponge or strainer):
loofa, luffa, loufah spongeWordNet sense 2 (the loofah climber that has cylindrical fruit):
Luffa cylindrica, vegetable spongeFrom the ODE community, based on WordNetadd/edit