English Reference
noun · verb

pump

n. · v.
US /ˈpəmp/ UK /pˈʌmp/ pump UK spelling pumps

  1. 01 A2 Elementary

    n.a machine that moves liquids or gas from one place to another.

    n.a mechanical device used to move, compress, or displace fluids or gases through suction or pressure.

    Simple

    The farmer used a water pump to get water from the well to the fields.

    In context

    The industrial facility required a high-capacity centrifugal pump to maintain the necessary pressure throughout the cooling system.

  2. 02 B1 Intermediate

    n.a type of shoe, such as a high heel for women or a soft sports shoe.

    n.a type of plain shoe that lacks fastenings; refers to high-heeled court shoes in North America or light canvas sneakers in British English.

    Simple

    She wore a pair of black pumps with her professional suit for the interview.

    In context

    In the UK, children are often required to wear black canvas pumps for indoor physical education classes.

    court shoeplimsollheel
  3. 03 C1 Advanced Informal Sport

    n.the tight, full feeling in your muscles after lifting heavy weights.

    n.a temporary increase in muscle volume caused by blood engorgement during high-intensity resistance training.

    Simple

    After doing twenty repetitions of the exercise, he felt a massive pump in his arms.

    In context

    Bodybuilders often seek a significant muscle pump before a competition to enhance vascularity and definition on stage.

    hyperaemia
  4. 04 A2 Elementary

    v.to move liquid or gas using a machine or a rhythmic motion.

    v.to move or extract fluid by means of a pump or a similar mechanical action.

    Simple

    The heart works hard to pump blood to every part of the body.

    In context

    The emergency crew had to pump water out of the basement for three hours after the pipe burst.

  5. 05 A2 Elementary

    v.to fill something with air, like a tyre or a ball.

    v.to fill an object with air or gas using a pump; often used with the particle 'up'.

    Simple

    You need to pump up your bicycle tyres before we go for a ride.

    In context

    The coach spent the morning pumping up the basketballs to ensure they met the league's pressure requirements.

    deflate
  6. 06 B2 Upper Intermediate Informal

    v.to try to get information from someone by asking many questions.

    v.to elicit information from a person through persistent or artful questioning.

    Simple

    The reporters tried to pump the manager for details about the new contract.

    In context

    Detectives attempted to pump the witness for information regarding the suspect's whereabouts on the night of the robbery.

  7. 07 B2 Upper Intermediate

    v.to move up and down or in and out with a strong, steady rhythm.

    v.to move or operate with the rhythmic, forceful motion characteristic of a piston or pump.

    Simple

    The crowd started to pump their fists in the air as the music got louder.

    In context

    The pistons continued to pump rhythmically, driving the massive engine forward across the plains.

    throbpulsebeat
  8. 08 C2 Proficiency Technical Computing

    v.to send data or messages into a computer program.

    v.to feed or process messages through a software loop or system.

    Simple

    The system needs to pump messages through the event loop to stay responsive.

    In context

    The application architecture was designed to pump asynchronous events into the main processing thread without causing latency.

Family Nursing and Home Care said it had purchased 10 hospital-grade breast pumps and single-use pump kits.

BBC News· 3 Aug 2026

In Scotland homeowners can also get a £7,500 grant for a heat pump via its Home Energy scheme - but for air-air versions that could offer cooling there is no funding at all.

BBC News· 29 Jul 2026
This entry
Level C1 · Advanced
Frequency Common
Updated