1. any of various ferns of the genera Dryopteris or Polystichum or Lastreopsis having somewhat shield-shaped coverings on the sori; [syn: shield fern, buckler fern]
WordNet (r) 3.0 (2006):
buckler fern
n 1: any of various ferns of the genera Dryopteris or
Polystichum or Lastreopsis having somewhat shield-shaped
coverings on the sori [syn: shield fern, buckler fern]