/ Thesaurus / G Synonyms of genus anatotitan Find synonyms for: Noun1. genus Anatotitan, reptile genususage: genus of large duck-billed dinosaurs; late CretaceousWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: apogee Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language