To make a loud, heavy, or hollow noise, as the bittern; boom.
noun.
A booming, hollow noise.
To cause to come in violent contact; bring into concussion; knock; strike; thump: as, to bump one's head against a wall.
In English boat-racing, to touch (the stern of a boat ahead) with the bow of the following boat. See extract.
To come forcibly in contact with something; strike heavily: as, the vessel bumped against the wharf.
To ride without rising in the stirrups on a rough-trotting horse.
In chem., to give off vapor intermittently and with almost explosive violence, as some heated solutions.
To form bumps or protuberances.
noun.
In cricket, the act of rising higher than usual from the pitch after being bowled: said of the ball.
noun.
A material used for coarse sheets.
noun.
In London, a sort of matting used for covering floors.
noun.
A shock from a collision, such as from the jolting of a vehicle.
noun.
In English boat-racing, the striking of one boat by the prow of another following her. See bump, transitive verb, 2.
noun.
A swelling or protuberance, especially one caused by a blow.
noun.
Specifically The popular designation of the natural protuberances on the surface of the skull or cranium, which phrenologists associate with distinct qualities, affections, propensities, etc., of the mind: used ironically for the word organ employed by phrenologists: as, the bump of veneration, acquisitiveness, etc.
noun.
The corner of the stock of a gun at the top of the heel-plate.