snakeweed

[sneyk-weed]

noun

Origin of snakeweed

First recorded in 1590–1600; snake + weed¹

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Adder's-wort, a name of snakeweed or bistort (Polygŏnum Bistorta), from its supposed virtue in curing the bite of serpents.
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Various