windage

noun5

1. •
   Exposure to the wind.
2. •
   Horizontal adjustment of the sight of a firearm or bow.
3. •
   The difference in diameter between the bore of a firearm and the shot.
4. •
   Drag on the crankshaft caused by oil splashing out of the sump when rotating at high speeds.
5. •
   (old-fashioned) A contusion caused by a projectile that does not enter the skin, due to either compressed air or a glancing blow