/ Thesaurus / W Synonyms of winter fern Find synonyms for: Noun1. hemlock, poison hemlock, poison parsley, California fern, Nebraska fern, winter fern, Conium maculatum, poisonous plantusage: large branching biennial herb native to Eurasia and Africa and adventive in North America having large fernlike leaves and white flowers; usually found in damp habitats; all parts extremely poisonousWordNet 3.0 Copyright © 2006 by Princeton University. All rights reserved. Related Content Daily Word Quiz: pundit Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language