buck·​thorn | \ ˈbək-ˌthȯrn How to pronounce buckthorn (audio) \

Definition of buckthorn

1 : any of a genus (Rhamnus of the family Rhamnaceae, the buckthorn family) of often thorny trees or shrubs some of which yield purgatives or pigments
2 : a shrub or small tree (Bumelia lycioides) of the sapodilla family of the southern U.S.

Examples of buckthorn in a Sentence

Recent Examples on the Web Others seek his advice about the invasive buckthorn in their own yards. Gail Rosenblum, Star Tribune, 16 Apr. 2021 Re-establishing native plants in the buckthorn's place is crucial. Gail Rosenblum, Star Tribune, 16 Apr. 2021 When the buckthorn is gone, the Rotary and land trust hope new native trees will grow in their place, which will not only look better but will also improve the biodiversity of the park. Jeff Rumage, Milwaukee Journal Sentinel, 24 June 2020 After a group of volunteers got to work in Deerfield’s Briarwood Nature Area and Trail Tree Nature Area recently, the spot now boasts 12 new trees and less invasive buckthorn. Steve Sadin, chicagotribune.com, 18 Oct. 2019 The perfect pick for tired, puffy eyes, this treatment packs 7 different organic oils, including anti-inflammatory rosehip oil, firming sea buckthorn oil, and hydrating avocado oil. Braelyn Wood, Health.com, 4 Apr. 2020 Plus: botanicals sea buckthorn, rosehip, and helichrysum to help encourage cell turnover; and grapeseed oil, a potent moisturizer rich in fatty acids and antioxidant compounds. Beth Janes, Marie Claire, 9 Jan. 2020 The park is currently fighting against invasives like phragmites, hybrid cattail, buckthorn, Japanese knotweed and even wetland species like purple loosestrife. Morgan Greene, chicagotribune.com, 25 Oct. 2019 Prickly sea buckthorn bushes and red-limbed willows are among the few species that can survive in the region’s cold desert climate and high altitudes. Washington Post, 10 Jan. 2020

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'buckthorn.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of buckthorn

1578, in the meaning defined at sense 1

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Time Traveler for buckthorn

Time Traveler

The first known use of buckthorn was in 1578

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Statistics for buckthorn

Last Updated

10 May 2021

Cite this Entry

“Buckthorn.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/buckthorn. Accessed 14 Jun. 2021.

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More Definitions for buckthorn


buck·​thorn | \ ˈbək-ˌthȯ(ə)rn How to pronounce buckthorn (audio) \

Medical Definition of buckthorn

: a shrub or tree of the genus Rhamnus sometimes having thorny branches and often containing purgative principles in bark or sap and producing fruits sometimes used as a source of yellow and green dyes or pigments — see cascara buckthorn

More from Merriam-Webster on buckthorn

Britannica.com: Encyclopedia article about buckthorn


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