golden seal

goldenseal

[gohl-duhn-seel]
noun
1.
a plant, Hydrastis canadensis, of the buttercup family, having a thick yellow rootstock.
2.
Also called hydrastis. the rhizomes and roots of this plant, formerly used in medicine as an astringent and to inhibit bleeding.
Also called orangeroot.


Origin:
1830–40, Americanism, golden + seal1

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World English Dictionary
goldenseal (ˌɡəʊldənˈsiːl)
 
n
a ranunculaceous woodland plant, Hydrastis canadensis, of E North America, whose thick yellow rootstock contains such alkaloids as berberine and hydrastine and was formerly used medicinally

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