Noun
1. a submersible warship usually armed with torpedoes
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
Verb
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
3. bring down with a blow to the legs
4. control a submarine
5. attack by submarine;
"The Germans submarined the Allies"Adjective
1. beneath the surface of the sea