DuckCorp Dico

Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   oust
       v 1: remove from a position or office; "The chairman was ousted
            after he misappropriated funds" [syn: oust, throw out,
            drum out, boot out, kick out, expel]
       2: remove and replace; "The word processor has ousted the
          typewriter"