/ Thesaurus / H Synonyms of hedeoma Find synonyms for: Noun1. Hedeoma, genus Hedeoma, asterid dicot genususage: small genus of American herbs (American pennyroyal)WordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: philanthropy Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language