1 water pimpernel | Definition of water pimpernel

water pimpernel

noun

Definition of water pimpernel

: either of two small white-flowered herbs (Samolus valerandi of Eurasia and S. parviflorus synonym S. floribundus of America) of the primrose family that grow in wet places

First Known Use of water pimpernel

circa 1760, in the meaning defined above

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