noun
perennial plant of Europe and America having racemes of white or purplish flowers and intensely bitter trifoliate leaves; often rooting at water margin and spreading across the surface
• Syn: ↑water shamrock, ↑buckbean, ↑bogbean, ↑marsh trefoil, ↑Menyanthes trifoliata
• Hypernyms: ↑aquatic plant, ↑water plant, ↑hydrophyte, ↑hydrophytic plant
• Member Holonyms: ↑Menyanthes, ↑genus Menyanthes
Useful english dictionary. 2012.