royal osmund

Thesaurus

Noun

1.royal osmund - large deeply rooted fern of worldwide distribution with upright bipinnate compound tufted frondsditch fern, French bracken, Osmunda regalis, royal fern, king fernosmund, flowering fern - any fern of the genus Osmunda: large ferns with creeping rhizomes; naked sporangia are on modified fronds that resemble flower clusters