DuckCorp Dico

Found one definition

1.                 From English - German Ding/FreeDict dictionary ver. 1.9-fd1:
                   
   
   
                   
                     
   mackle /mˈakəl/ <v>
   schmitzen, dublieren <v, intr> [print]
      Synonym: double
    see: mackling, doubling, mackled, doubled