DuckCorp Dico

Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   keep out
       v 1: prevent from entering; shut out; "The trees were shutting
            out all sunlight"; "This policy excludes people who have a
            criminal record from entering the country" [syn: exclude,
            keep out, shut out, shut] [ant: admit, include,
            let in]
       2: remain outside