DuckCorp Dico

Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   Bart
       n 1: a member of the British order of honor; ranks below a baron
            but above a knight; "since he was a baronet he had to be
            addressed as Sir Henry Jones, Bart." [syn: baronet,
            Bart]