Emily Dickinson Lexicon

RUM'BLE, v.i. [D. rommelen; G. rummeln; Dan. rumler; It. rombare. If Rm are the radical letters, this word may be referred to the Ch. Syr. Heb. and Eth. רעם raam, Class Rm, No. 11. With a prefix, grumble, Gr. βρεμω; L. fremo, Ir. cruim, thunder, G. brummen, D. brommen, bremmen, &c.; råma, to bellow.]

To make a low, heavy, continued sound; as, thunder rumbles at a distance, but when near, its sound is sharp and rattling. A heavy carriage rumbles on the pavement.