Hypertext Webster Gateway: "bistort"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Bistort \Bis"tort\, n. [L. bis + tortus, p. p. of torquere to
twist: cf. F. bistorte.] (Bot.)
An herbaceous plant of the genus {Polygonum}, section
{Bistorta}; snakeweed; adderwort. Its root is used in
medicine as an astringent.
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