noun
horsetails and related forms
• Syn: ↑class Sphenopsida, ↑Equisetatae, ↑class Equisetatae
• Hypernyms: ↑class
• Member Holonyms: ↑Pteridophyta, ↑division Pteridophyta
• Member Meronyms: ↑Equisetales, ↑order Equisetales
Useful english dictionary. 2012.