noun
a showy tree fern of New Zealand and Australia having a crown of pinnated fronds with whitish undersides
• Syn: ↑silver tree fern, ↑black tree fern, ↑Cyathea medullaris
• Hypernyms: ↑tree fern
• Member Holonyms: ↑Cyathea, ↑genus Cyathea
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nounUseful english dictionary. 2012.