Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A fern (Osmunda regalis) of worldwide distribution, having tall fronds with widely spaced oblong leaflets.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun large deeply rooted fern of worldwide distribution with upright bipinnate compound tufted fronds

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