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bistort

[bis-tawrt]
noun
  1. Also called snakeweed. a European plant, Polygonum bistorta, of the buckwheat family, having a twisted root, which is sometimes used as an astringent.
  2. any of several related plants, as P. viviparum (alpine bistort).
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Origin of bistort

First recorded in 1570–80, bistort is from the Medieval Latin word bistorta twice twisted. See bis1, tort
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for bistort

bistort

noun
  1. Also called: snakeroot, snakeweed, Easter-ledges a Eurasian polygonaceous plant, Polygonum bistorta, having leaf stipules fused to form a tube around the stem and a spike of small pink flowers
  2. Also called: snakeroot a related plant, Polygonum bistortoides, of W North America, with oval clusters of pink or white flowers
  3. any of several other plants of the genus Polygonum
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Word Origin for bistort

C16: from French bistorte, from Latin bis twice + tortus from torquēre to twist
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012