plural machine guns
: a gun that is able to shoot many bullets very quickly one after the other
They heard the sound of machine-gun fire.
always used before a noun
informal
: very quick
a comedian with a machine-gun [=rapid-fire] delivery
Cite this Entry
“Machine gun.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/machine%20gun. Accessed 23 Jun. 2026.
Copy Citation
