/ Dictionary / Index P polystichous: Meaning and Definition of Find definitions for: po•lys•ti•chous Pronunciation: (pu-lis'ti-kus), [key] — adj. arranged in rows or series. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. polyspermy polystyle Related Content Daily Word Quiz: pugilist Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language