pink·​root ˈpiŋk-ˌrüt How to pronounce pinkroot (audio)
: 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

Examples of pinkroot in a Sentence

Recent Examples on the Web My favorite single Alabama plant may actually be Spigelia alabamensis, the gentian pinkroot. Greg Garrison,, 10 June 2017

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'pinkroot.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

First Known Use

1763, in the meaning defined above

Time Traveler
The first known use of pinkroot was in 1763

Dictionary Entries Near pinkroot

Cite this Entry

“Pinkroot.” Dictionary, Merriam-Webster, Accessed 30 May. 2024.

Medical Definition


: any of several plants of the genus Spigelia related to the nux vomica and used as anthelmintics

More from Merriam-Webster on pinkroot

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