sub
      n 1: 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, submarine,
           submarine sandwich, torpedo, wedge, zep]
      2: a submersible warship usually armed with torpedoes [syn: submarine,
          pigboat, U-boat]
      v : be a substitute; "The young teacher had to substitute for
          the sick colleague"; "The skim milk substitutes for
          cream--we are on a strict diet" [syn: substitute, {stand
          in, fill in]
      [also: subbing, subbed]


 subbed
      See sub