gunfire

Short definition from Wiktionary

Noun

1. 1
   Shots from a gun or guns, typically creating loud report.
2. 2
   The use of gunpowder-type weapons, mainly cannon, as opposed to swords or bayonets.
3. 3
   The time of firing of the morning gun or the evening gun.
4. 4
   Tea, a cup of tea, especially one served early in the morning before first parade.