pump

/pʌmp/ v [T] (USE DEVICE)

Definition

› You have to pump your own gasoline at that station. He ran toward us, pumping his arms (= moving them up and down energetically). [M] She pumped her bike tires up (= filled them with air). › If you pump money into something, you spend a lot of money trying to make it successful: We’re pumping millions into this new program. › infml When you pump someone, you ask for information, esp. in an indirect way: I pumped him for details about the deal.

(Definition of pump v (USE DEVICE) from the Cambridge Academic Content Dictionary © Cambridge University Press)