Gatling gun

noun2

1. •
   A type of repeating firearm with several barrels on a rotating frame, in use from the 1860s to the 1910s, providing fully automatic fire similar to that of modern machine guns and autocannons.

   • They say that the Gatling who invented Gatling guns imagined that they would reduce the scale of human warfare, poor old chap.
2. •
   Any of various later weapons with a similar concept of operation (spinning a rotating set of barrels).

   • I stood in the door of an AC-130 and ran a Gatling gun. So it goes. What more is there to say about it?