Definition of pinkroot
: any of several American plants (genus Spigelia) related to the nux vomica and used as anthelmintics
especially
: a U.S. woodland herb (S. marilandica) sometimes cultivated for its showy red and yellow flowers
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Merriam-Webster unabridged
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Time Traveler for pinkroot
The first known use of pinkroot was in 1763
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