submarine

submarine (http://definr.com/submarine)

     adj : beneath the surface of the sea [syn: undersea]
     n 1: a submersible warship usually armed with torpedoes [syn: pigboat,
           sub, U-boat]
     2: a large sandwich made of a long crusty roll split lengthwise
        and filled with meats and cheese (and tomato and onion and
        lettuce and condiments); different names are used in
        different sections of the United States [syn: bomber, grinder,
         hero, hero sandwich, hoagie, hoagy, {Cuban
        sandwich}, Italian sandwich, poor boy, sub, {submarine
        sandwich}, torpedo, wedge, zep]
     v 1: move forward or under in a sliding motion; "The child was
          injured when he submarined under the safety belt of the
          car"
     2: throw with an underhand motion, as of a baseball
     3: bring down with a blow to the legs, in sports
     4: control a submarine
     5: attack by submarine; "The Germans submarined the Allies"