royal fern

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Related to royal ferns: cinnamon ferns, lady ferns

royal fern

n.
A fern (Osmunda regalis) of worldwide distribution, having tall fronds with widely spaced oblong leaflets.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

royal fern

n
(Plants) 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
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

roy′al fern′


n.
a tall, coarse osmunda fern, Osmunda regalis, having large, upright fronds, growing in wetland areas.
[1770–80]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.royal fern - large deeply rooted fern of worldwide distribution with upright bipinnate compound tufted frondsroyal fern - large deeply rooted fern of worldwide distribution with upright bipinnate compound tufted fronds
osmund, flowering fern - any fern of the genus Osmunda: large ferns with creeping rhizomes; naked sporangia are on modified fronds that resemble flower clusters
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in periodicals archive ?
Mr King said: "There are currently no other known examples of royal ferns on the Huddersfield Narrow Canal.
It wasn't long before we saw one of the small brown marsupials, peeping through the Royal ferns.
Are the genomes of royal ferns really frozen in time?
of genomic stasis in Royal Ferns. Science 343(6177):
OSMUNDA {oz-MUN-da} Linnaeus 1753 * Royal Ferns * [Saxon, Osmunder, name for Thor, God of war; the type species, O.