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air sleeve

noun
1.

windsock

[wind-sok] /ˈwɪndˌsɒk/
noun
1.
a tapered, tubular cloth vane, open at both ends and having at the larger end a fixed ring pivoted to swing freely, installed at airports or elsewhere to indicate wind direction and approximate intensity.
Also, wind sock.
Also called air sleeve, air sock, wind cone, wind sleeve.
Origin
1925-1930
1925-30; wind1 + sock1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for air-sleeve

windsock

/ˈwɪndˌsɒk/
noun
1.
a truncated cone of textile mounted on a mast so that it is free to rotate about a vertical axis: used, esp at airports, to indicate the local wind direction Also called air sock, drogue, wind sleeve, wind cone
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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Word Origin and History for air-sleeve

windsock

n.

1929, from wind (n.1) + sock (n.).

Online Etymology Dictionary, © 2010 Douglas Harper
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Word Value for air

3
3
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