/ Thesaurus / H Synonyms of heracleum sphondylium Find synonyms for: Noun1. cow parsnip, hogweed, Heracleum sphondylium, herb, herbaceous plantusage: tall coarse plant having thick stems and cluster of white to purple flowersWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: ontiguous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language