variants: or frog's-bit \ ˈ⸗ˌ⸗ \
plural frogbits or frog's-bits

Definition of frogbit

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, in the meaning defined at sense 1

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The first known use of frogbit was in 1578

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Cite this Entry

“Frogbit.” Dictionary, Merriam-Webster, Accessed 22 Feb. 2020.

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