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royal fern
noun
- a coarse fern, Osmunda regalis, having tall, upright fronds.
royal fern
noun
- a fern, Osmunda regalis , of damp regions, having large fronds up to 2 metres (7 feet) in height, some of which are modified for bearing spores: family Osmundaceae
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Word History and Origins
Origin of royal fern1
First recorded in 1770–80
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