- Card game - Gambling game - Platform twenty-one - Twenty-one - A wooden flat-bottomed boat, a metallic cylinder, or a
frame covered with canvas, India rubber, etc., forming a portable
float, used in building bridges quickly for the passage of troops. - A low, flat vessel, resembling a barge, furnished with
cranes, capstans, and other machinery, used in careening ships, raising
weights, drawing piles, etc., chiefly in the Mediterranean; a lighter.