WordReference Random House Unabridged Dictionary of American English © 2025
ro′tary wing′, [Aeron.]
  1. Aeronauticsan airfoil that rotates about an approximately vertical axis, as that supporting a helicopter or autogiro in flight.
  • 1930–35

'rotary wing' also found in these entries (note: many are not synonyms or translations):
rotor blade - rotorcraft

Forum discussions with the word(s) "rotary wing" in the title:


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