DuckCorp Dico

Found one definition

1.                 From The Collaborative International Dictionary of English v.0.48:
                   
   
   
                   
                     
   Ld \Ld.\ n.
      The abbreviation for limited, term appended to the name of
      a company that is organized to give its owners limited
      liability; also abbreviated Ltd. It corresponds to Inc.
      in the United States. [Chiefly British] [abbr.]
      Syn: limited company, Ltd.
           [WordNet 1.5]