air pump

American  

noun

1. an apparatus for drawing in, compressing, or exhausting air.

2. Astronomy. Air Pump, the constellation Antlia.

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air pump British  

noun

1. a device for pumping air in or out of something

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Etymology

Origin of air pump

First recorded in 1650–60

Example Sentences

What looked like clothing, an air pump and several makeshift, inflatable lifebuoys were among the items that covered the boat's floor.

From Reuters

He carries a backpack with an air pump, tire patch and extra air tube for his bicycle and the weight of what could go wrong.

From Los Angeles Times

Experimenting with an air pump, two glass cylinders and four thermometers, she found the cylinder with carbon dioxide trapped more heat and stayed hot longer when placed in the sun.

From Seattle Times

There are multiple kinds of mold tests, but only certain ones – including air pumps and petri dish tests – are designed to detect mold in the air.

From Seattle Times

An electric air pump varoomed to life to inflate an enormous movie screen that rose beside her like a giant gorilla balloon outside a used-car lot.

From Literature