DuckCorp Dico

Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   van
       n 1: any creative group active in the innovation and application
            of new concepts and techniques in a given field (especially
            in the arts) [syn: avant-garde, vanguard, van, new
    wave]
       2: the leading units moving at the head of an army [syn:
          vanguard, van]
       3: (Great Britain) a closed railroad car that carries baggage or
          freight
       4: a camper equipped with living quarters [syn: van,
          caravan]
       5: a truck with an enclosed cargo space