/ Thesaurus / U Synonyms of umbelliferous plant Find synonyms for: Noun1. umbellifer, umbelliferous plant, herb, herbaceous plantusage: any of numerous aromatic herbs of the family UmbelliferaeWordNet 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