Rum″ble (?), v. i. [OE. romblen, akin to D. rommelen, G. rumpeln, Dan. rumle; cf. Icel. rymja to roar.] 1. To make a low, heavy, continued sound; as, the thunder rumbles at a distance.
In the mean while the skies 'gan rumble sore. Surrey.
The people cried and rombled up and down. Chaucer.
2. To murmur; to ripple.
To rumble gently down with murmur soft. Spenser.