machine-gun

Short definition from Wiktionary

Verb

1. 1
   To fire a machine gun
2. 2
   To shoot (people, etc.) with a machine gun
3. 3
   To shoot (something) out of or as if out of a machine gun.

Noun

1. 1
   A type of fully automatic firearm that fires bullets in rapid succession by a single action of the trigger and is capable of sustained fire.