Meaning of oak fern | Babel Free

Definitions

1. A fern of genus Gymnocarpium (syn. Thelypteris) which grows on trees, especially Gymnocarpium dryopteris.
2. A bat's wing fern (Histiopteris incisa)
3. Synonym of common polypody (Polypodium vulgare), a fern formerly thought to have medicinal properties when found growing on an oak.

Examples

“Why say we, that […] to know the vertue of Reubarb, qualitie of Oak ferne, and operation of Polipodie, is only peculiar unto man?”

CEFR level