/ Thesaurus / H Synonyms of horned dinosaur Find synonyms for: Noun1. ceratopsian, horned dinosaur, ornithischian, ornithischian dinosaurusage: any of several four-footed herbivorous dinosaurs with enormous beaked skulls; of the late Cretaceous in North America and MongoliaWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: diaphanous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language