Webster's Revised Unabridged Dictionary · 1913

(Botany) The spongelike fibers of the fruit of a cucurbitaceous plant (Luffa Aegyptiaca); called also vegetable sponge.

(Nautical) 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.

(Nautical) The part of a ship's side where the planking begins to curve toward bow and stern.

(Nautical) See Luff.