[n] a submersible warship usually armed with torpedoes
[n] 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
[v] be a substitute
Synonyms
bomber, Cuban sandwich, fill in, grinder, hero, hero sandwich, hoagie, hoagy, Italian sandwich, pigboat, poor boy, stand in, submarine, submarine, submarine sandwich, substitute, torpedo, U-boat, wedge, zep