- 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
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for buckbean
The Buckbean (Menyanthes trifoliata) is very seldom used, on account of its bitterness.Lachesis Lapponica
Carl von Linn
Infusum menyanthis, L. From the herb or root of buckbean or marsh trefoil (Menyanthes trifoliata).
Indeed, it is a lovely plant; it is the buckbean or marshtrefoil, and generally grows in some boggy spot, such as this.
- 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