Meaning of angle of attack

an'gle of attack'

Pronunciation: [key]
  1. Also called,the acute angle between the chord of an aircraft wing or other airfoil and the direction of the relative wind.
  2. the angular attitude of a wheel flange to the rail, esp. on curves.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.