noun
in some classification systems placed in family Polypodiaceae; terrestrial ferns of cosmopolitan distribution mainly in southern hemisphere: hard ferns
• Syn: ↑genus Blechnum
• Hypernyms: ↑fern genus
• Member Holonyms: ↑Blechnaceae, ↑family Blechnaceae
• Member Meronyms: ↑hard fern
* * *
\\-nəm\ nounUsage: capitalized
: a genus of chiefly tropical ferns (family Polypodiaceae) having rather stiff pinnate leaves with the sori linear and parallel to the midvein of the pinnae
Useful english dictionary. 2012.