/ Thesaurus / H Synonyms of hiatus hernia Find synonyms for: Noun1. hiatus hernia, hiatal hernia, diaphragmatic hernia, hernia, herniationusage: hernia resulting from the protrusion of part of the stomach through the diaphragmWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: sublime Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language