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weather vane

or weath·er·vane

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noun
a device, as a rod to which a freely rotating pointer is attached, for indicating the direction of the wind.
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Also called vane, wind vane.

Origin of weather vane

First recorded in 1715–25
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use weather vane in a sentence

British Dictionary definitions for weather vane

weather vane

noun
a vane designed to indicate the direction in which the wind is blowing
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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