[ad. It. fregatone, augmentative oifregata Frigate.] (See quot.) Also applied to a ship sloop-of-war (Adm. Smyth).
1721. Bailey, Frigatoon, a Venetian Vessel, built with a square Stern without any Fore-mast, having only a Main-Mast, Mizen-Mast and Bow-sprit. [Hence in mod. Dicts.]