1. Nautical. a.
a fore-and-aft sail on the aftermost lower mast of a sailing vessel having three or more masts. See diag. under ship
a designation given to the mast abaft a mizzenmast, usually the aftermost mast in any vessel.
Informal. a smartly moving person or animal, especially a fast horse.
Chiefly New England. something remarkably fine.
of or pertaining to a spanker mast or its rigging.