Meaning of windage

wind•age

Pronunciation: (win'dij), [key]
— n.
  1. the influence of the wind in deflecting a missile.
  2. the amount of such deflection.
  3. the degree to which a gunsight must be adjusted to correct for windage.
  4. a difference between the diameter of a projectile and that of the gun bore, for the escape of gas and the prevention of friction.
  5. that portion of a vessel's surface upon which the wind acts.
  6. friction between a rotor and the air within its casing, as in an electric generator.
  7. the resisting influence of air against the rotating armature of a dynamo, creating a power loss.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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