air pump


noun

an apparatus for drawing in, compressing, or exhausting air.
(initial capital letters) Astronomy. the constellation Antlia.

Origin of air pump

First recorded in 1650–60
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for air pump

air pump


noun

a device for pumping air in or out of something
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012