Main Entry: ¹rum·ble

Pronunciation: \ˈrəm-bəl\

Function: verb

Inflected Form(s): rum·bled; rum·bling \-b(ə-)liŋ\

Etymology: Middle English; akin to Middle High German rummeln to rumble

Date: 14th century

intransitive verb 1 : to make a low heavy rolling sound <thunder rumbling in the distance>
2 : to travel with a low reverberating sound <wagons rumbled into town>
3 : to speak in a low rolling tone
4 : to engage in a rumbletransitive verb 1 : to utter or emit in a low rolling voice
2 British : to reveal or discover the true character of

— rum·bler \-b(ə-)lər\ noun