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air cock
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noun
Machinery. a special type of valve for controlling the flow of air.
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Origin of air cock
First recorded in 1790–1800
Words nearby air cock
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use air cock in a sentence
As soon as the water-valve was closed and the air-cock opened, the compressed air blew all of the water out of the tube.
There is also a valve or air-cock in the steam-chest, under the control of the engineer.
Illustrated Catalogue of Locomotives|M. Baird, et. al..The device is provided with a pressure gauge and an air cock.