/ Thesaurus / A Synonyms of aqua lung Find synonyms for: Noun1. aqualung, Aqua-Lung, scuba, breathing device, breathing apparatus, breathing machine, ventilatorusage: a device (trade name Aqua-Lung) that lets divers breathe under water; scuba is an acronym for self-contained underwater breathing apparatusWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: gregarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language