D defs.my
Entry 1 sense Webster, 1913

airfoil

· air·foil · IPA /ˈɛrfˌɔɪl/
01 n. a surface such as the wing of an airplane designed to provide reactive force when in motion relative to the surrounding air.
  1. 1.
    a surface such as the wing of an airplane designed to provide reactive force when in motion relative to the surrounding air.
Syn. aerofoil