Pteridophyta
Pronunciation : Pter`i*doph"y*ta
Part of Speech : n.
Etymology : [NL., from Gr. (Bot.)
Definition : Defn: A class of flowerless plants, embracing ferns, horsetails, club mosses, quillworts, and other like plants. See the Note under Cryptogamia. -- Pter"i*do*phyte`, n.
Note: This is a modern term, devised to replace the older ones acrogens and vascular Cryptogamia.
pl.
Source : Webster's Unabridged Dictionary, 1913