Galiot \Gal"i*ot\, n. [OE. galiote, F. galiote. See {Galley}.] (Naut.) (a) A small galley, formerly used in the Mediterranean, built mainly for speed. It was moved both by sails and oars, having one mast, and sixteen or twenty seats for rowers. (b) A strong, light-draft, Dutch merchant vessel, carrying a mainmast and a mizzenmast, and a large gaff mainsail.