insane root

noun

Medical Definition of insane root

1 : a root believed in medieval times to cause madness in those eating it and usually identified with either henbane or hemlock

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“Insane root.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/insane%20root. Accessed 6 Aug. 2020.

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