Definitions:

1. A fully automatic firearm designed to fire bullets in rapid succession for as long as the trigger is held down and ammunition is available. NOUN
   • The machine gun's high rate of fire makes it an effective weapon for covering large areas or multiple targets.
2. A type of automatic firearm designed to rapidly fure bullets from an ammunition belt or magazine. NOUN
   • The heavy machine gun was mounted on a truck, providing fire support from a distance.
3. Type of firearm typically used in military settings and capable of sustained fire dur to their ability to rapidly discharge multiple rounds per second. NOUN
   • The soldier used a machine gun to provide suppressive fire, keeping the enemy pinned down.

Synonyms:

• assault weapon
• firearm
• machine pistol
• submachine gun
• tommy gun