: the space between the projectile of a smoothbore gun and the surface of the bore
: the difference between the diameter of the bore of a muzzle-loading rifled cannon and that of the projectile cylinder
: the amount of sight deflection necessary to compensate for wind displacement in aiming a gun
: the influence of the wind in deflecting the course of a projectile
: the amount of deflection due to the wind
: the surface exposed (as by a ship) to the wind
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