pump¹ /pump/

1. A machine for raising and moving fluids (orig esp bilge-water in ships), or for compressing, rarefying, or transferring gases
2. A stroke of a pump
3. An act of pumping

1. To raise, force, compress, exhaust, empty, remove or inflate with a pump
2. To discharge by persistent effort
3. To fire (bullets, etc) rapidly and repeatedly
4. To move in the manner of a pump
5. To shake (someone's hand) vigorously up and down, as though working a pump-handle
6. To subject to, or elicit by, persistent questioning
7. To pump water on (obsolete)
8. To put out of breath (esp in passive; often with out; informal)

1. To work a pump
2. To work like a pump
3. (of mercury in a barometer) to rise and fall suddenly
4. To spurt
5. To propel or increase the speed of a sailing-boat by rapidly pulling the sails in and out (nautical)

pumped adjective (informal; often with up)

1. Excited
2. Enthused
3. Stimulated

pumpˈer noun

pumpˈ-action adjective

Denoting a repeating rifle or shotgun whose chamber is fed by a pump-like movement

pumped storage noun

In a hydroelectric system, the use of electricity at times of low demand to pump water up to a high storage reservoir, to be used to generate electricity at times of high demand

pump gun noun

A pump-action gun

pumpˈ-handle noun

The lever that works a pump

pumpˈ-head or pumpˈhood noun

A frame covering the upper wheel of a chain pump, serving to guide the water into the discharge-spout

pumpˈ-priming noun

1. Starting a pump working efficiently by introducing fluid to drive out the air
2. Investing money in order to stimulate commerce, local support, etc

pump room noun

The room at a mineral spring in which the waters are drunk

pumpˈ-water noun

Water from a pump

• roomies
• roomiest
• roomily
• roominess
• roominesses
• rooming
• rooming house
• rooming houses
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• roommate
• roommates
• room-ridden
• rooms
• room service
• roomsome
• room temperature
• room to swing a cat
• roomy
• roon
• roons
• roop
• rooped
• roopier
• roopiest
• rooping