Definitions

1. noun

A wing-shaped surface, especially one designed for use in the study of aerodynamics, or a part of an aircraft wing.

“The airfoil design helped to reduce air resistance during flight.”

2. noun

A device resembling an airfoil, used to generate lift or to divert airflow.

“The engineers used an airfoil to increase the efficiency of the air conditioning system.”

3. noun

A part of a machine or device that resembles an airfoil, used to generate lift or to divert airflow.

“The airfoil on the turbine helped to increase its efficiency.”