Definition of poison hemlock
: a large European biennial poisonous herb (Conium maculatum) of the carrot family that is naturalized in the United States and has finely divided leaves and small white flowers — compare water hemlock
First Known Use of poison hemlock
Medical Definition of poison hemlock
1: a large branching biennial poisonous herb of the genus Conium (C. maculatum) with finely divided leaves and white flowers
Seen and Heard
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