/ Thesaurus / M Synonyms of mammut americanum Find synonyms for: Noun1. American mastodon, American mastodont, Mammut americanum, mastodon, mastodontusage: mastodon of North America; in some classifications considered a mammoth rather than a mastodonWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: kiln Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language