Breadcrumb Home > Thesaurus > G Synonyms of gastroscope Find synonyms for: Noun1. gastroscope, endoscopeusage: a type of endoscope for visually examining the stomachWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved.Definition and meaning of gastroscope (Dictionary) ✖ Related Content Daily Word Quiz: donnybrook Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language