- Polystichum
- nounsmall to medium-sized terrestrial ferns especially holly ferns; in some classification systems placed in Polypodiaceae• Syn: ↑genus Polystichum• Hypernyms: ↑fern genus• Member Holonyms: ↑Dryopteridaceae, ↑family Dryopteridaceae, ↑Athyriaceae, ↑family Athyriaceae• Member Meronyms:↑Christmas fern, ↑canker brake, ↑dagger fern, ↑evergreen wood fern, ↑Polystichum acrostichoides, ↑holly fern, ↑soft shield fern, ↑Polystichum setiferum
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\\-kəm\ nounUsage: capitalized: a genus of chiefly northern ferns (family Polypodiaceae) having lanceolate pinnate or bipinnate often evergreen fronds with the veins free and the indusia lacking sinuses and centrally peltate — see christmas fern, holly fern* * *
Polysˈtichum /-kəm/ noun(Gr stichos a row) a genus of shield-ferns also known by the name Aspidium• • •Main Entry: ↑poly-
Useful english dictionary. 2012.