field of fire

field of fire (plural fields of fire)

1. The area that a projectile weapon (or group of weapons) can reach from a given position.
   • 1942 May 4, Charles A. Lindbergh, The Wartime Journals of Charles A. Lindbergh, New York: Harcourt Brace Jovanovich, published 1970, page 634:

     The angle of movement is so slight that the gun could not be used unless an enemy plane just happened to fly within its limited field of fire.

   • 2007 September 25, Bungie, Halo 3, spoken by Reynolds (Nathan Fillion), Microsoft Game Studios, Xbox 360, level/area: Crow's Nest:

     Get those turrets up! Watch your fields of fire!