Noun: rotary wing row-tu-ree wing
- The long airfoil that rotates to provide the lift that supports a helicopter in the air
"The helicopter's rotary wings whirred loudly as it took off";
- rotor blade
Derived forms: rotary wings
Type of: aerofoil [Brit], airfoil [N. Amer], control surface, surface
Part of: main rotor
Encyclopedia: Rotary wing