noun
1. North American fern with narrow fronds on yellowish leafstalks
• Hypernyms: ↑fern
• Member Holonyms: ↑Athyrium, ↑genus Athyrium
2. fern with elongate silvery outgrowths enclosing the developing spores
• Hypernyms: ↑fern
• Member Holonyms: ↑Deparia, ↑genus Deparia
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noun : a fern (Athyrium thelypterioides) with elongate silvery indusia
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a fern, Diplazium pycnocarpon, of eastern North America, having fronds from 20 to 30 in. (50.8 to 76.2 cm) long on yellowish-green stalks.
Useful english dictionary. 2012.