Emily Dickinson Lexicon

CO-NI'I-NA, or CO-NE'I-NA, n. [or CO-NI'CI-NA, or CO-NI'A, or CO-NI'INE, or CO-NE'INE. Gr. κωνειον.]

An alkaloid obtained from Conium maculatum, the modern officinal Hemlock, and its active medicinal principle.