Gunfire (noun)

1. The firing of a gun or guns, especially as a military attack or in a war.
2. The sound made by a gun or guns being fired.

Origin:

Mid 19th century: from gun + fire.

Examples:

1. The soldiers heard the gunfire and immediately took cover.
2. The city was under attack and the streets were filled with the sound of gunfire.
3. The police returned fire after the suspect started shooting at them.
4. The gunfire lasted for several minutes before finally stopping.
5. The hunters were out early in the morning, and the sound of their gunfire echoed through the hills.