vervain

noun ver·vain \ ˈvər-ˌvān \

Definition of vervain

:any of a genus (Verbena of the family Verbenaceae, the vervain family) of chiefly American plants having bracted spicate flowers, a corolla with a 5-lobed limb, and a fruit that separates into four nutlets

Recent Examples of vervain from the Web

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Origin and Etymology of vervain

Middle English verveine "the plant Verbena officinalis," borrowed from Anglo-French vervenne, verveyne, going back to Latin verbēna "leafy branch used ceremonially or medicinally," going back to *verbes-na, derivative of an s-stem noun *verbes-, whence Latin verbera (plural) "bundle of sticks used for flogging, blows"; akin to Croatian & Serbian vŕba "willow," Lithuanian virbas "twig, rod"


Medical Dictionary

vervain

noun ver·vain \ ˈvər-ˌvān \

medical Definition of vervain

:any of a genus (Verbena of the family Verbenaceae, the vervain family) of plants including several (as V. hastata) formerly used as medicinal herbs

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