black horehound

noun

Definition of black horehound

: an ill-smelling European herb (Ballota nigra) with ovate rugose leaves and whorls of dark purple flowers

called also black archangel, fetid horehound, stinking horehound

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Cite this Entry

“Black horehound.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/black%20horehound. Accessed 10 December 2019.

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