DuckCorp Dico

Found one definition

1.                 From English - German Ding/FreeDict dictionary ver. 1.9-fd1:
                   
   
   
                   
                     
   jamboree /dʒˈambɔːɹˌiː/
   großes öffentliches Fest <neut>, Festveranstaltung <fem>, Riesenfest <neut>
         "open-air jamboree"  - Freiluftfest
    see: World Scout Jamboree