Rumble

1. v. t. To cause to pass through a rumble, or shaking machine. See Rumble, n., 4.
2. v. i. To make a low, heavy, continued sound; as, the thunder rumbles at a distance.
3. v. i. To murmur; to ripple.
4. n. A noisy report; rumor.
5. n. A low, heavy, continuous sound like that made by heavy wagons or the reverberation of thunder; a confused noise; as, the rumble of a railroad train.
6. n. A seat for servants, behind the body of a carriage.
7. n. A rotating cask or box in which small articles are smoothed or polished by friction against each other.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.