DuckCorp Dico

Found one definition

1.                 From The Collaborative International Dictionary of English v.0.48:
                   
   
   
                   
                     
   Pontage \Pon"tage\ (?; 48), n. [LL. pontagium, from L. pons,
      pontis, a bridge: cf. F. pontage.] (O. Eng. Law)
      A duty or tax paid for repairing bridges. --Ayliffe.
      [1913 Webster]