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cascara buckthorn

noun

: a buckthorn (Rhamnus purshiana) of the Pacific coast of the U.S. yielding cascara sagrada

Word History

First Known Use

circa 1900, in the meaning defined above

Time Traveler
The first known use of cascara buckthorn was circa 1900

Browse Nearby Words

Cite this Entry

“Cascara buckthorn.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cascara%20buckthorn. Accessed 30 Nov. 2025.

Medical Definition

cascara buckthorn

noun
: a small tree (Frangula purshiana) of the Pacific coast of the United States yielding cascara sagrada

called also cascara, coffeeberry

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