Origin of buck bean
How to use buck bean in a sentence
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.Country Walks of a Naturalist with His Children|W. Houghton
The fringed buckbean (villarsia) is said to be an inhabitant of these brooks.The Call of the Wildflower|Henry S. Salt
The Buckbean (Menyanthes trifoliata) is very seldom used, on account of its bitterness.Lachesis Lapponica|Carl von Linn