oak fern
English
An oak fern (Gymnocarpium dryopteris).
Alternative forms
- oakfern
Noun
- A fern of genus Gymnocarpium (syn. Thelypteris) which grows on trees, especially Gymnocarpium dryopteris.
- Synonym of common polypody (Polypodium vulgare), a fern formerly thought to have medicinal properties when found growing on an oak.
- 1603, Michel de Montaigne, translated by John Florio, The Essayes […], London: […] Val[entine] Simmes for Edward Blount […], →OCLC:, II.12:
- Why say we, that […] to know the vertue of Reubarb, qualitie of Oak ferne, and operation of Polipodie, is only peculiar unto man?
Translations
Gymnocarpium dryopteris
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Polypodium vulgare
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