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thorn apple

[thawrn] /θɔrn/
noun
1.
any poisonous plant belonging to the genus Datura, of the nightshade family, the species of which bear capsules covered with prickly spines, especially the jimson weed, D. stramonium.
2.
the fruit of certain hawthorns of the genus Crataegus.
Origin
1570-1580
1570-80
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for thorn apple

thorn apple

noun
1.
a poisonous solanaceous plant, Datura stramonium, of the N hemisphere, having white funnel-shaped flowers and spiny capsule fruits US and Canadian name jimson weed See also stramonium
2.
any other plant of the genus Datura
3.
the fruit of certain types of hawthorn
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
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Encyclopedia Article for thorn apple

Jimson weed

annual, herbaceous, tropical plant (Datura stramonium) of the potato family (Solanaceae) that has become an introduced weed throughout much of the Northern Hemisphere. The plant was used by Algonquin Indians in eastern North America as a hallucinogen and intoxicant. The leaves contain potent alkaloids (hyoscamine and hyoscine), and the plant has been used to develop a drug (stramonium) for treating asthma.

Learn more about Jimson weed with a free trial on Britannica.com
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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8
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