to make liquid or gas move in a particular direction, using a pump
move in a direction[transitive always + adverb/preposition]
pump something into/out of/through something
The fire department is still pumping floodwater out of the cellars.
to bring a supply of water, oil etc to the surface from under the ground:
move from under ground[transitive]TI
We were able to pump clean water from several of the wells.
pump gas American English (=put gasoline into a car)
He got a job pumping gas for the hotel guests.
to move very quickly in and out or up and down:
move in and out[intransitive] also pump away
My heart was pumping fast.
to operate a pump
use a pump[intransitive] also pump away
The furnace man's job was to pump away furiously at the bellows.
if a liquid pumps from somewhere, it comes out suddenly in small amounts
come out[intransitive always + adverb/preposition]
pump from/out of
Blood pumped from the wound.
to ask someone a lot of questions in order to get information from them
ask questions[transitive] informal
pump somebody for something
I tried to pump him for information about their other contacts.
to put a lot of drugs into someone's body:
athletes pumped full of steroids
to do exercises by lifting heavy weights
to have a medical treatment to remove things you have swallowed, using a pump
pump something into somebody/somethingphrasal verb
to shoot someone several times
to put a lot of money in a project, investment etc
pump outphrasal verb
if something such as music, information, or a supply of products pumps out, or if someone pumps it out, a lot of it is produced:
Music pumped out from the loudspeakers.
pump something ↔ out
propaganda pumped out by the food industry
to remove liquid from something, using a pump:
pump something ↔ out
You'll have to pump the boat out.
pump something/somebody ↔ upphrasal verb
to fill a tyre, airbed etc with air until it is full [= inflate]
to increase the value, amount, or level of something:
The US was able to pump up exports.
Come on, pump up the volume! (=play music louder)
to increase someone's excitement, interest etc