(n) 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.marsh trefoil, bogbean, bog myrtle, Menyanthes trifoliata, buckbean
(n) creeping European clover having white to pink flowers and bright green leaves; naturalized in United States; widely grown for forage, Syn.Trifolium repens, shamrock, dutch clover
The Collaborative International Dictionary of English (GCIDE) v.0.53
n. [ L. seamrog, seamar, trefoil, white clover, white honeysuckle; akin to Gael. seamrag. ] (Bot.) A trifoliate plant used as a national emblem by the Irish. The legend is that St. Patrick once plucked a leaf of it for use in illustrating the doctrine of the trinity. [ 1913 Webster ]
☞ The original plant was probably a kind of wood sorrel (Oxalis Acetocella); but now the name is given to the white clover (Trifolium repens), and the black medic (Medicago lupulina). [ 1913 Webster ]
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