Cite
 

Meaning of wind shear

wind' shear"

Pronunciation: (wind), [key]
  1. the rate at which wind velocity changes from point to point in a given direction.
  2. a condition, dangerous to aircraft, in which the speed or direction of the wind changes abruptly. Cf.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.