Source : WordNet®

zep
     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}, {hoagie}, {hoagy}, {Cuban
         sandwich}, {Italian sandwich}, {poor boy}, {sub}, {submarine},
          {submarine sandwich}, {torpedo}, {wedge}]