noun
- 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 poisonous.
- synonyms: hemlock, poison parsley, California fern, Nebraska fern, winter fern, Conium maculatum
WordNet 3.0 © 2006 by Princeton University
| APA | WordNet. (2010). poison hemlock. Retrieved September 21, 2026, from http://smartdefine.org/poison_hemlock/definitions/1302939 |
| Chicago | WordNet. 2010. "poison hemlock" http://smartdefine.org/poison_hemlock/definitions/1302939 (accessed September 21, 2026). |
| Harvard | WordNet 2010, poison hemlock, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/poison_hemlock/definitions/1302939>. |
| MLA | WordNet. "poison hemlock" 23 October 2010. Web. 21 September 2026. <http://smartdefine.org/poison_hemlock/definitions/1302939> |