oak fern
短语[医]球子蕨
词形变化
oak ferns
复数
oak ferns
别名
oakfern
释义与例句
n.
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1.
A fern of genus Gymnocarpium (syn. Thelypteris) which grows on trees, especially Gymnocarpium dryopteris.
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2.
A bat's wing fern (Histiopteris incisa)
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3.
Synonym of common polypody (Polypodium vulgare), a fern formerly thought to have medicinal properties when found growing on an oak.
Why say we, that […] to know the vertue of Reubarb, qualitie of Oak ferne, and operation of Polipodie, is only peculiar unto man?