aero·​vane | \ ˈer-ō-ˌvān How to pronounce aerovane (audio) \
plural aerovanes

Definition of aerovane

: a weather vane that is equipped with a propeller and is used to measure both wind speed and direction Today, aerovanes often combine the duties of anemometers and weather vanes.— Kris Hirschmann, Forecasting!, 2008

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First Known Use of aerovane

1950, in the meaning defined above

History and Etymology for aerovane

aero- + vane

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The first known use of aerovane was in 1950

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of or relating to a parable or parabola

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