Windage

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Windage \Wind"age\, n. [From {Wind} air in motion.]
     [1913 Webster]
     1. (Gun.) The difference between the diameter of the bore of
        a gun and that of the shot fired from it.
        [1913 Webster]
  


     2. The sudden compression of the air caused by a projectile
        in passing close to another body.
        [1913 Webster]

From WordNet (r) 2.0 [wn]:

  windage
       n 1: the retarding force of air friction on a moving object
       2: bore-to-projectile difference in diameter
       3: exposure to the wind (as the exposed part of a vessel's hull
          which is responsible for wind resistance) [syn: {wind
          exposure}]
       4: the deflection of a projectile resulting from the effects of
          wind [syn: {wind deflection}]