Athyriaceae n 1: alternative names for one of a number of families into which the family Polypodiaceae has been subdivided in some classification systems [syn: {Dryopteridaceae}, {family Dryopteridaceae}, {Athyriaceae}, {family Athyriaceae}]
Athyriaceae \Athyriaceae\ n. 1. alternative names for one of a number of families into which the family {Polypodiaceae} has been subdivided in some classification systems. Syn: {Dryopteridaceae}, family {Dryopteridaceae}, family {Athyriaceae}. [WordNet 1.5]