DuckCorp Dico

Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   masked
       adj 1: having its true character concealed with the intent of
              misleading; "hidden agenda"; "masked threat" [syn:
              cloaked, disguised, masked]
       2: having markings suggestive of a mask; "the masked face of a
          raccoon"