Submarine Meaning, Definition & Usage

1. noun a submersible warship usually armed with torpedoes
   U-boat; sub; pigboat.
   
2. noun 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
   wedge; bomber; hero; sub; hero sandwich; poor boy; zep; Cuban sandwich; grinder; torpedo; hoagie; Italian sandwich; hoagy; submarine sandwich.
   
3. verb move forward or under in a sliding motion
   
   • The child was injured when he submarined under the safety belt of the car
4. verb throw with an underhand motion
   
5. verb bring down with a blow to the legs
   
6. verb control a submarine
   
7. verb attack by submarine
   
   • The Germans submarined the Allies
8. adjective satellite beneath the surface of the sea
   undersea.
   

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