rotary wing(redirected from rotary wings)
Also found in: Thesaurus.
Related to rotary wings: rotorcraft
an airfoil that rotates about an approximately vertical axis, as that supporting a helicopter or autogiro in flight.
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|Noun||1.||rotary wing - the long airfoil that rotates to provide the lift that supports a helicopter in the air|
aerofoil, airfoil, control surface, surface - a device that provides reactive force when in motion relative to the surrounding air; can lift or control a plane in flight
main rotor - rotor consisting of large rotating airfoils on a single-rotor helicopter that produce the lift to support the helicopter in the air