WordNet (r) 3.0 (2006):

gunfight
    n 1: a fight involving shooting small arms with the intent to
         kill or frighten [syn: gunfight, gunplay, shootout]

Moby Thesaurus II by Grady Ward, 1.0:

34 Moby Thesaurus words for "gunfight":
   antiaircraft fire, cross fire, curtain fire, direct fire, dry fire,
   file fire, fire, fire of demolition, firepower, fireworks, firing,
   flack, flak, ground fire, gunfire, gunplay, high-angle fire,
   horizontal fire, interdiction fire, machine-gun fire, mortar fire,
   musketry, percussion fire, pistol fire, raking fire, rapid fire,
   ricochet fire, rifle fire, shellfire, shoot-out, shooting,
   time fire, vertical fire, zone fire