noun. ['ˈrʌmbəl'] a loud low dull continuous noise.
verb. ['ˈrʌmbəl'] make a low noise.
verb. ['ˈrʌmbəl'] to utter or emit low dull rumbling sounds.
noun. ['ˈrʌmbəl'] a fight between rival gangs of adolescents.
noun. ['ˈrʌmbəl'] a servant's seat (or luggage compartment) in the rear of a carriage.