| 释义 |
WordReference Random House Unabridged Dictionary of American English © 2024bis•tort (bis′tôrt),USA pronunciation n. - Plant BiologyAlso called snakeweed. a European plant, Polygonum bistorta, of the buckwheat family, having a twisted root, which is sometimes used as an astringent.
- Plant Biologyany of several related plants, as P. viviparum (alpine bistort.)
- Medieval Latin bistorta twice twisted. See bis1, tort
- 1570–80
Collins Concise English Dictionary © HarperCollins Publishers:: bistort /ˈbɪstɔːt/ n
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
Also called: snakeroot a related plant, Polygonum bistortoides, of W North America, with oval clusters of pink or white flowers- any of several other plants of the genus Polygonum
Etymology: 16th Century: from French bistorte, from Latin bis twice + tortus from torquēre to twist |