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air hole

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noun

an opening to admit or discharge air.
a natural opening in the frozen surface of a river or pond.

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Origin of air hole

First recorded in 1760–70
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

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British Dictionary definitions for air hole

air hole

noun

a hole that allows the passage of air, esp for ventilation
a section of open water in a frozen surface
a less common name for air pocket (def. 1)
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
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