Definition of "windage"

(automotive) Drag on the crankshaft caused by oil splashing out of the sump when rotating at high speeds.  examples

(ballistics) The difference in diameter between the bore of a firearm and the shot.  examples

(ballistics) Horizontal adjustment of the sight of a firearm or bow.  examples

(medicine, dated) A contusion caused by a projectile that does not enter the skin, due to either compressed air or a glancing blow  examples

(chiefly nautical) Exposure to the wind.  examples