submarine, pigboat, sub, U-boat
['stingray', 'lakeside, lakeshore', 'beach wagon, station wagon, wagon, estate car, beach waggon, station waggon, waggon', 'revolver, six-gun, six-shooter', 'chain mail, ring mail, mail, chain armor, chain armour, ring armor, ring armour', 'stretcher', 'great white shark, white shark, man-eater, man-eating shark, Carcharodon carcharias']