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rotary wing

noun

, Aeronautics.
  1. an airfoil that rotates about an approximately vertical axis, as that supporting a helicopter or autogiro in flight.

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Word History and Origins

Origin of rotary wing1

First recorded in 1930–35

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Example Sentences

They have no jet aircraft—they rely on rotary wing aircraft.

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petrichor

[pet-ri-kawr]

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