buck bean


a bog plant, Menyanthes trifoliata, of the gentian family, having narrow clusters of white or pink flowers.

Origin of buck bean

1570–80; earlier buckes bean, translation of Dutch boksboon
Also called bogbean, marsh trefoil.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

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British Dictionary definitions for buckbean

/ (ˈbʌkˌbiːn) /


a marsh plant, Menyanthes trifoliata, with white or pink flowers: family MenyanthaceaeAlso called: bogbean
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