polypodiaceae(n = noun.plant) family polypodiaceae - ferns: a large family that in some classification systems has been subdivided into several families (including Aspleniaceae and Blechnaceae and Davalliaceae and Dennstaedtiaceae and Dryopteridaceae and Oleandraceae and Pteridaceae);
is a kind of fern family
is a member of filicales, order filicales, order polypodiales, polypodiales