To make a deep, heavy, continued and more or less jarring sound: as, the thunder rumbles.
To murmur.
To move with a deep, hoarse, thundering or jarring sound; roll heavily and noisily.
To roll about; hence, to create disorder or confusion.
To cause to make a deep, rattling or jarring sound; rattle.
noun.
A deep, heavy, continuous, and more or less rattling or jarring sound, as of thunder; a low, jarring roar.
noun.
Confused reports; rumor.
noun.
Confusion; disorder; tumult.
noun.
A revolving cylinder or box in which articles are placed to be ground, cleaned, or polished by mutual attrition. Grinding- or polishing-material is added according to the need of the case.
noun.
A seat for servants in the rear of a carriage. Also rumble-tumble.