oak fern
IPA: ˈoʊkfˈɝn
noun
- Any of various ferns which grow on trees and walls
- genus Gymnocarpium (syn Thelypteris)
- especially common polypody (Polypodium virginianum, native to North America, and Polypodium vulgare, native to Europe), formerly thought to have medicinal properties when found growing on an oak.
Examples of "oak-fern" in Sentences
- In some parts a light green maiden-hair fern covered the ground with its beautifully tender foliage, reminding me of shady banks in the north of England, covered with the equally lovely oak-fern.