/ Thesaurus / O Synonyms of order aepyorniformes Find synonyms for: Noun1. Aepyorniformes, order Aepyorniformes, animal orderusage: huge extinct flightless birds: elephant birdsWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: aversion Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language