rumble

Concise Oxford English Dictionary © 2008 Oxford University Press:
rumble/ˈrʌmbl/

▶verb

• 1 make or move with a continuous deep, resonant sound.

• 2 (rumble on) (of a dispute) continue in a persistent but low-key way.

• 3 Brit. informal discover (an illicit activity or its perpetrator): it wouldn't need a genius to rumble his little game.

• 4 N. Amer. informal take part in a street fight.

▶noun

• 1 a continuous deep, resonant sound like distant thunder.

• 2 N. Amer. informal a street fight between gangs.

– derivatives
rumbler noun,
rumbling adjective.

– origin ME: prob. from MDu. rommelen, rummelen, of imitative origin.