castor bean

noun

Definition of castor bean

: the very poisonous seed of the castor-oil plant also : castor-oil plant

Examples of castor bean in a Sentence

Recent Examples on the Web It is made from merino wool and other materials that could double as the recipe for some kind of health tonic: eucalyptus, sugarcane, and castor bean oil. Sheila Marikar, Fortune, "Allbirds is stepping up for the planet—by treading lightly on it," 21 Sep. 2020 An anatomically contoured footbed, foam insoles made from castor beans, and a flared heel offer the arch support needed for a comfortable fit. Madeline Diamond, Travel + Leisure, "I Tried Allbirds’ New Running Shoes — and They’re My Favorite Addition to My At-home Workouts," 28 Apr. 2020 Like many Allbirds shoes, they’re made with merino wool and have a castor bean insole to cushion your foot and minimize odor (they're meant to be worn sans socks). Madison Flager, Condé Nast Traveler, "9 Best Slippers for Women, Since That's All We're Wearing These Days," 4 May 2020 Allbirds Wool Runners This popular shoe is made with wool from merino sheep, as well as other materials like recycled bottles, castor bean oil and recycled cardboard. Hanna Horvath, NBC News, "Best (comfortable) eco-friendly shoes, according to experts," 23 Apr. 2020 There are some new kicks on the block—and they're made out of castor bean oil, eucalyptus tree, algae, and natural rubber. Chelsey Sanchez, Harper's BAZAAR, "Reebok Steps into Sustainable Fashion with Its First Plant-Based Running Shoes," 3 Dec. 2019 Its soles are made from castor beans and natural rubber. Chauncey Alcorn, CNN, "Vegan sneakers set to be next plant-based craze in 2020," 14 Dec. 2019 The shoe adorns a sleek highly cushioned, responsive midsole, all made from sustainability grown castor beans. James Love, Essence, "Reebok Releases A New Running Sneakers Made from Plants," 3 Dec. 2019 Gophers and moles have an extraordinarily sensitive sense of smell so the smell of the castor bean pellets often drives them away. Earl Nickel, SFChronicle.com, "How to keep pesky visitors out of the garden," 20 Sep. 2019

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'castor bean.' 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 castor bean

1819, in the meaning defined above

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Time Traveler for castor bean

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The first known use of castor bean was in 1819

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Cite this Entry

“Castor bean.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/castor%20bean. Accessed 24 Feb. 2021.

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More Definitions for castor bean

castor bean

noun
cas·​tor bean | \ ˈkas-tər- How to pronounce castor bean (audio) \

Medical Definition of castor bean

: the very poisonous seed of the castor-oil plant also : castor-oil plant

More from Merriam-Webster on castor bean

Britannica.com: Encyclopedia article about castor bean

Comments on castor bean

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