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water fern

noun
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Definition of water fern

1 : a fern ally of the families Salviniaceae or Marsileaceae
2 : a fern of the genus Osmunda (especially O. regalis)
3 : floating fern sense 1

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“Water fern.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/water%20fern. Accessed 18 Aug. 2022.

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