Available Definitions:
1) n. - The spongelike fibers of the fruit of a cucurbitaceous plant (Luffa Aegyptiaca); called also vegetable sponge.
2) n. - Formerly, some appurtenance of a vessel which was used in changing her course; -- probably a large paddle put over the lee bow to help bring her head nearer to the wind.
3) n. - The part of a ship's side where the planking begins to curve toward bow and stern.
4) v. i. - See Luff .