/ Thesaurus / O Synonyms of ornithopoda Find synonyms for: Noun1. Euronithopoda, suborder Euronithopoda, euronithopod, Ornithopoda, suborder Ornithopoda, animal orderusage: widespread group including duck-billed dinosaurs and their early relatives (hadrosaurs, trachodon and iguanodon)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: profiterole Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language