/ Thesaurus / G Synonyms of gatling gun Find synonyms for: Noun1. Gatling gun, machine gunusage: an early form of machine gun having several barrels that fire in sequence as they are rotatedWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: loathe Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language