Definify.com

Webster 1913 Edition

Noun.

[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.

Noun.

[L. bistorta, bis and tortus, twisted.]

A plant, a species of polygonum, or many-knotted or angled. In popular language, it is called snake-weed.

Bistorta officinalis

bistort ‎(plural bistorts)

Any of several perennial herbs, classified in genera Bistorta, Persicaria, or Polygonum, having spikes of pink flowers.

any of several perennial herbs, classified in genera Bistorta, Persicaria, or Polygonum, having spikes of pink flowers