/ Thesaurus / E Synonyms of ear trumpet Find synonyms for: Noun1. hearing aid, ear trumpet, acoustic deviceusage: a conical acoustic device formerly used to direct sound to the ear of a hearing-impaired personWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: nefarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language