[1] : The Collaborative International Dictionary of English v.0.48

hoagie \hoagie\, hoagy \hoagy\n.
   a large sandwich on a long crusty roll that is 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 u. s., such as hero,
   grinder, and submarine.

   syn: bomber, grinder, hero, hero sandwich, hoagie, cuban
        sandwich, italian sandwich, poor boy, sub, submarine,
        submarine sandwich, torpedo, wedge, zep.
        wordnet 1.5
see also:
hero grinder submarine 

[2] : The Collaborative International Dictionary of English v.0.48

submarine sandwich \sub`marine" sand"wich\, n.
   a large sandwich on an elongated roll, usually incompletely
   cut into two halves, filed with various cold cuts, meatballs,
   lettuce, cheese, tomatoes, olives, etc., and spiced
   variously, and often having oil or other dressing applied;
   called also hoagie, hero, hero sandwich, grinder,
   sub, submarine, poor boy, and italian sandwich. a
   single such sandwich may consitute a substantial meal. very
   large variants are sometimes prepared for social gatherings
   and cut into pieces for individual consumption.
   pjc
see also:
hoagie hero hero sandwich grinder sub submarine 
poor boy italian sandwich 

[3] : WordNet (r) 2.0

hoagie
     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 syn: bomber, grinder,
          hero, hero sandwich, hoagy, cuban sandwich, italian
         sandwich, poor boy, sub, submarine, submarine
         sandwich, torpedo, wedge, zep
see also:
bomber grinder hero hero sandwich hoagy cuban sandwich 
italian sandwich poor boy sub submarine submarine sandwich 
torpedo wedge zep 

Hoagie >> H Words
Hoagie, definition of term: Hoagie
hoagie_pag1.html