noun
containing all the vascular plants that do not bear seeds: ferns, horsetails, club mosses, and whisk ferns; in some classifications considered a subdivision of Tracheophyta
• Syn: ↑Pteridophyta
• Hypernyms: ↑division
• Member Holonyms: ↑Plantae, ↑kingdom Plantae, ↑plant kingdom
• Member Meronyms:
↑genus Pecopteris, ↑pteridophyte, ↑nonflowering plant, ↑fern family, ↑fern genus, ↑Filicopsida, ↑class Filicopsida, ↑Filicinae, ↑class Filicinae, ↑Psilopsida, ↑class Psilopsida, ↑Psilotatae, ↑class Psilotatae, ↑Psilophytales, ↑order Psilophytales, ↑Sphenopsida, ↑class Sphenopsida, ↑Equisetatae, ↑class Equisetatae, ↑Lycopsida, ↑class Lycopsida, ↑Lycopodiate, ↑class Lycopodiate
Useful english dictionary. 2012.