DuckCorp

DuckCorp Dico

(RFC 2229 compliant dictionary server)
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Found one definition 

  1.                 From English - Polish Piotrowski+Saloni/FreeDict dictionary ver. 0.2:
                

    
                
                  
    sleek /sli:k/ <Adj>
 1.  gładki
 2.  zadbany
 3.  o eleganckich liniach