Fe*luc"ca (&?;), n. [It. feluca (cf. Sp. faluca, Pg. falua), fr. Ar. fulk ship, or harrāqah a sort of ship.] (Naut.) A small, swift-sailing vessel, propelled by oars and lateen sails, -- once common in the Mediterranean. Sometimes it is constructed so that the helm may be used at either end.