1. plural of aerofoil; curved surfaces designed to provide lift when moving through air, such as aircraft wings
Usage: British spelling; American equivalent is ‘airfoils’; technical/aviation

Examples

• The aircraft’s aerofoils were carefully inspected before takeoff.
• Engineers tested different aerofoil designs in the wind tunnel.
• The helicopter’s rotor blades are specialized aerofoils that provide both lift and thrust.
• Modern aerofoils are designed using computer simulations to optimize airflow.
• The glider’s long, narrow aerofoils allow it to soar efficiently on thermal currents.
• Ice formation on aerofoils can significantly reduce aircraft performance.