The Collaborative International Dictionary
Maxim gun \Max"im gun`\ A kind of machine gun; -- named after its inventor, Hiram S. Maxim.
Wikipedia
The Maxim gun was a weapon invented by British inventor Hiram Stevens Maxim in 1883: it was the first recoil-operated machine gun. It has been called "the weapon most associated with the British imperial conquest".
Usage examples of "maxim gun".
They were dammed by the stroking, flickering bar of light that sprang from the Maxim gun.
At the warehouses, he dodged around a shattered Maxim gun and three dead Turks before letting two of Cooper's men take Sü.
She was holding a device the size of a Maxim gun, but a lot sleeker.
Lady Julia Blunt, when conversing, resembled a Maxim gun more than anything else.
But all the experiments of John's artificers with rotating barrels-much less belt-designed weapons like the Maxim gun-had foundered on a single problem.
I went on to describe a Maxim gun in action, and what I could imagine of the Battle of Colenso.