Search Result for "pteridophyta": 
Wordnet 3.0

NOUN (1)

1. 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]

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2 definitions retrieved:

The Collaborative International Dictionary of English v.0.48:

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]
WordNet (r) 3.0 (2006):

Pteridophyta n 1: 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]