/ Dictionary / Index P pteridophyte: Meaning and Definition of Find definitions for: pte•rid•o•phyte Pronunciation: (tu-rid'u-fīt", ter'i-dō-), [key] — n. any plant of the division Pteridophyta, characterized by vascular tissue and differentiation into root, stem, and leaves, comprising the ferns, horsetails, and club mosses. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: pteridophyte (Thesaurus) pteridology pteridosperm Related Content Daily Word Quiz: ostracize Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language