Athyrium at·hy·rium uncommon noun 1. temperate and tropical lady ferns; in some classifications placed in family Polypodiaceae or in the genus Asplenium Synonymsgenus Athyrium Related words Word family Athyrium distentifoliumAthyrium filix-feminaAthyrium pycnocarponAthyrium thelypteroides Broader terms fern genus Parts Dryopteridaceae Part of lady fernsilvery spleenwort WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
