1. The retarding force of air friction on a moving object
   "The windage on the bullet affected its trajectory"
    
2. The space between the projectile of a smoothbore gun and the surface of the bore of the gun
   "The windage of the musket affected its accuracy"
    
3. Exposure to the wind (as the exposed part of a vessel's hull which is responsible for wind resistance)
   "The sailing boat's windage affected its speed and maneuverability";
   - wind exposure
    
4. The deflection of a projectile resulting from the effects of wind
   "The sniper had to account for windage when aiming at long-range targets";
   - wind deflection

Derived forms: windages

Type of: bending, deflection, deflexion [Brit], diam, diameter, drag, exposure, retarding force

Encyclopedia: Windage