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Definition of Rotor blade
1. Noun. The long airfoil that rotates to provide the lift that supports a helicopter in the air.
Exact synonyms: Rotary Wing
Generic synonyms: Aerofoil, Airfoil, Control Surface, Surface
Group relationships: Main Rotor
Generic synonyms: Aerofoil, Airfoil, Control Surface, Surface
Group relationships: Main Rotor