DuckCorp Dico

Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   BWR
       n 1: a nuclear reactor that uses water as a coolant and
            moderator; the water boils in the reactor core and the
            steam produced can drive a steam turbine [syn: boiling
    water reactor, BWR]