DuckCorp Dico

Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   Wac
       n 1: a member of the Women's Army Corps
       2: an army corps that was organized in World War II but is no
          longer a separate branch of the United States Army [syn:
          Women's Army Corps, WAC]