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buckthorn

American  
[buhk-thawrn] / ˈbʌkˌθɔrn /

noun

  1. any of several, sometimes thorny trees or shrubs belonging to the genus Rhamnus, especially R. frangula, the bark of which is used in medicine.

  2. a tree or shrub belonging to the genus Bumelia, of the sapodilla family, especially B. lycioides, a thorny tree having elliptic leaves and large clusters of white flowers, common in the southern and part of the central U.S.


buckthorn British  
/ ˈbʌkˌθɔːn /

noun

  1. any of several thorny small-flowered shrubs of the genus Rhamnus , esp the Eurasian species R. cathartica , whose berries were formerly used as a purgative: family Rhamnaceae See also sea buckthorn

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of buckthorn

1570–80; buck 1 + thorn, rendering New Latin cervi spina

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Dessert revives malt bread as French toast alongside sea buckthorn and pumpkin held through autumn and sharpened into sorbet.

From Salon Mar. 8, 2026

Ingredients for Snow Serum include vitamin B3, olive squalane, rice bran and rose flower water, while Sun Serum is made from vitamin C, gotu kola, sea buckthorn and neroli flower water.

From Los Angeles Times Aug. 18, 2021

It contains sea buckthorn and evening primrose, but the secret weapon may be the black currant seed oil.

From New York Times May 10, 2021

Towering black locust, buckthorn, Japanese hedge parsley, honeysuckle, garlic mustard and dame’s rocket have all played a role in the congestion.

From Washington Times Jul. 18, 2020

“She’s better,” I whisper to myself as I scratch a patch of dirt clear of leaf litter, then rip out a buckthorn shoot hiding underneath.

From "Wayward Creatures" by Dayna Lorentz

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