DuckCorp Dico

Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   conceal
       v 1: prevent from being seen or discovered; "Muslim women hide
            their faces"; "hide the money" [syn: hide, conceal]
            [ant: show]
       2: hold back; keep from being perceived by others; "She conceals
          her anger well" [syn: conceal, hold back, hold in]