/ Dictionary / Index B bistort: Meaning and Definition of Find definitions for: bis•tort Pronunciation: (bis'tôrt), [key] — n. Also calleda European plant, Polygonum bistorta, of the buckwheat family, having a twisted root, which is sometimes used as an astringent. any of several related plants, as P. viviparum Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. bister bistoury Related Content Daily Word Quiz: fidelity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language