1710, "allowance of space between the projectile and the diameter of the tube of a firearm," from wind (n.1) + -age. Meaning "allowance for wind deflection" is from 1867.
权威例句
1. Dissolved minerals are also lost by windage.
溶解的矿物质也被风吹走了.
2. Put the mouse cursor over the elevation and windage knobs to see the tops.