/ Dictionary / Index P phytosaur: Meaning and Definition of Find definitions for: phy•to•saur Pronunciation: (fī'tu-sôr"), [key] — n. any armored, semiaquatic reptile of the extinct order Phytosauria, of the Mesozoic Era, resembling the crocodile but unrelated, having the nostrils high on the snout and with well-developed hind limbs suggestive of bipedal ancestors. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. phytoplasm phytosociology Related Content Daily Word Quiz: cygnet Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language