In the production of rum: the lees or dregs from the fermentation of a batch of cane juice or molasses, which contains active yeasts and is typically reserved and left to ferment in a vat or pit before being used to start the fermentation of fresh batches. In early use also: †refuse or dregs from the process of sugar production, used in the fermentation of rum (obsolete).

A loud, reverberating noise; a loud rumble.

A resounding, heavy blow.

To make a loud, deep resounding noise; to reverberate, rumble.

To knock, bang, or fall on something with a loud, resounding noise, especially to knock loudly and repeatedly on a door. Followed by a prepositional phrase, especially with on or at.