/ Thesaurus / A Synonyms of air horn Find synonyms for: Noun1. air horn, hornusage: a pneumatic horn2. air horn, intake, inletusage: air intake of a carburetorWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: languid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language