Browning machine gun
nounThe American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
A .30- or .50-caliber automatic belt-fed, air-cooled or water-cooled machine gun capable of firing ammunition at a rate of more than 500 rounds per minute, used by U.S. troops in World War II and the Korean War.
Origin: After John Moses Browning.