scouring rush

noun

Definition of scouring rush

: horsetail especially : one (Equisetum hyemale) with strongly siliceous stems formerly used for scouring

First Known Use of scouring rush

circa 1818, in the meaning defined above

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The first known use of scouring rush was circa 1818

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Cite this Entry

“Scouring rush.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/scouring%20rush. Accessed 2 Mar. 2021.

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