shield fern is a noun meaning "any of various ferns of the genera Dryopteris or Polystichum or Lastreopsis having somewhat shield-shaped coverings on the sori". It carries one recorded sense.
any of various ferns of the genera Dryopteris or Polystichum or Lastreopsis having somewhat shield-shaped coverings on the sori
Definitions, synonyms and semantic relations for shield fern come from Princeton University’s WordNet. Commonness is measured against a corpus of everyday English. Full sources and licences.