a type of light machine gun capable of firing automatically or in single shots.
Taser: A Surprising Acronym With An Unsettling StoryThe (debatable) non-lethal weapon that causes temporary paralysis was invented in the 1970s by a man named Jack Cover (who worked for NASA at one point).
Origin of automatic rifle
First recorded in 1875–80
Also called automatic, machine rifle.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019