hypnum

noun
hyp·​num | \ ˈhipnəm \

Definition of hypnum

1 capitalized : the type genus of the family Hypnaceae comprising mosses with the leaves arranged in three rows — see plume moss
2 plural -s : any moss of the genus Hypnum

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History and Etymology for hypnum

New Latin, from Late Greek hypnon, a lichen

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Cite this Entry

“Hypnum.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/hypnum. Accessed 21 January 2020.

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