rough horsetail


Definition of rough horsetail

: a scouring rush (Equisetum hyemale)

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First Known Use of rough horsetail

1762, in the meaning defined above

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The first known use of rough horsetail was in 1762

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Cite this Entry

“Rough horsetail.” Dictionary, Merriam-Webster, Accessed 15 Oct. 2021.

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