1. A submersible warship usually armed with torpedoes
   "The submarine silently patrolled enemy waters";
   - pigboat [informal], sub [informal]
    
2. [N. Amer] 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
   "He ordered a classic Italian submarine with all the toppings";
   - bomber [US, informal], grinder [US, informal], hero [N. Amer], hero sandwich [N. Amer], hoagie [N. Amer], hoagy [N. Amer], Cuban sandwich [N. Amer], Italian sandwich [N. Amer], poor boy [N. Amer], sub [N. Amer, informal], submarine sandwich [N. Amer], torpedo [US], wedge [US, informal], zep [N. Amer]

1. Beneath the surface of the sea
   "the precarious life of a submarine diver";
   - undersea, subsea

1. Control a submarine
   "The captain submarined the vessel through enemy waters"
    
2. Attack by submarine
   "The Germans submarined the Allies"
    
3. Move forward or under in a sliding motion
   "The child was injured when he submarined under the safety belt of the car"
    
4. (baseball) throw with an underhand motion
   "The pitcher submarined the ball, catching the batter off guard"
    
5. (sport) bring down with a blow to the legs
   "The defender submarined the running back"

Derived forms: submarined, submarines, submarining

See also: subsurface

Type of: assail, attack, control, cut down, down [informal], flip, knock down, operate, pitch, pull down, push down, sandwich, sarnie [Brit, informal], skid, sky, slew, slide, slip, slue, submersible, submersible warship, toss

Encyclopedia: Submarine, Vietnam People's Navy