rumbling
noun
[ ˈrʌmblɪŋ ]
• a continuous deep, resonant sound.
• "the rumbling of wheels in the distance"
rumbling
adjective
• making or constituting a deep resonant sound.
• "rumbling trams"
rumble
verb
• make a continuous deep, resonant sound.
• "thunder rumbled, lightning flickered"
• discover (an illicit activity or its perpetrator).
• "it wouldn't need a genius to rumble my little game"
• take part in a street fight between gangs or large groups.
• "the five of them rumbled with the men in the other car"
Origin:
late Middle English: probably from Middle Dutch rommelen, rummelen, of imitative origin. Sense 2 of the verb may be a different word.