frogbit

noun
variants: or frog's-bit

Definition of frogbit

plural frogbits or frog's-bits
1 : a European aquatic floating herb (Hydrocharis morsus-ranae) with roundish heart-shaped leaves and small white flowers
2 : an American aquatic plant (Limnobium spongia) with round-cordate or reniform leaves and sessile or short-stalked spathes

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First Known Use of frogbit

1578


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