'Pteridophyta' definitions:
Definition of 'Pteridophyta'
(from WordNet)
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, division Pteridophyta]
Definition of 'Pteridophyta'
From: GCIDE
- Pteridophyta \Pter`i*doph"y*ta\, n. pl. [NL., from Gr. ?, ?, a fern + ? a plant.] (Bot.) 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. [1913 Webster]
- Note: This is a modern term, devised to replace the older ones acrogens and vascular Cryptogamia. [1913 Webster]