/ Thesaurus / E Synonyms of euarctos americanus Find synonyms for: Noun1. American black bear, black bear, Ursus americanus, Euarctos americanus, bearusage: brown to black North American bear; smaller and less ferocious than the brown bearWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: denizen Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language