weather vane

weather vanes

Definitions of weather vane
  1. noun
    mechanical device attached to an elevated structure; rotates freely to show the direction of the wind
    synonyms: vane, weathervane, wind vane
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    weathervane with a vane in the form of a rooster
    wind tee
    weather vane shaped like a T and located at an airfield
    type of:
    mechanical device
    mechanism consisting of a device that works on mechanical principles
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