noun, often capitalized
jim·​son·​weed | \ ˈjim(p)-sən-ˌwēd How to pronounce jimsonweed (audio) \

Definition of jimsonweed

: a poisonous tall annual weed (Datura stramonium) of the nightshade family with rank-smelling foliage, large white or violet trumpet-shaped flowers, and roundish prickly fruits

called also thorn apple

Examples of jimsonweed in a Sentence

Recent Examples on the Web Ruis is suing the CHRB for absolving Baffert of a positive for scopolamine, a byproduct of jimsonweed, after Justify tested for the drug after winning the 2018 Santa Anita Derby. Los Angeles Times, 1 Oct. 2021 This looks like jimsonweed (Datura stramonium), also called thorn apple because of its spiky fruit. oregonlive, 5 Oct. 2019 Their hunt, which was meant to shed light on the religious and ritualistic history of smoking, had already yielded tobacco and jimsonweed residue in pipes dating back a few hundred years. Michael Price, Science | AAAS, 15 June 2018

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

First Known Use of jimsonweed

1832, in the meaning defined above

History and Etymology for jimsonweed

Jamestown, Virginia

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The first known use of jimsonweed was in 1832

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Cite this Entry

“Jimsonweed.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/jimsonweed. Accessed 10 Aug. 2022.

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More Definitions for jimsonweed


jim·​son·​weed | \ ˈjim-sən-ˌwēd How to pronounce jimsonweed (audio) \

Kids Definition of jimsonweed

: a poisonous weedy plant with bad-smelling leaves and large white or purple flowers


variants: also jimpsonweed \ ˈjim(p)-​sən-​ˌwēd How to pronounce jimsonweed (audio) \

Medical Definition of jimsonweed

: a poisonous tall annual weed of the genus Datura (D. stramonium) that has rank-smelling foliage, large white or violet trumpet-shaped flowers, and prickly round fruits and that is a source of stramonium

called also Jamestown weed

More from Merriam-Webster on jimsonweed

Britannica.com: Encyclopedia article about jimsonweed


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