Matteuccia mat·teuc·cia uncommon noun 1. small genus sometimes included in genus Onoclea; in some classifications both genera are placed in Polypodiaceae Synonymsgenus MatteucciaPteretisgenus Pteretis Related words Word family Matteuccia struthiopteris Broader terms fern genus Parts Dryopteridaceae Part of ostrich fern WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.