oak fern

noun

: a widely distributed fern (Thelypteris dryopteris) of the family Polypodiaceae chiefly of damp acid woodlands of boreal and alpine parts of the northern hemisphere that has a slender subterraneous rhizome and delicate solitary triangular fronds

Word History

Etymology

translation of Latin dryopteris

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Dictionary Entries Near oak fern

oak family

oak fern

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Cite this Entry

“Oak fern.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/oak%20fern. Accessed 1 Dec. 2024.

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