/ Dictionary / Index P pentastylos: Meaning and Definition of Find definitions for: pen•ta•sty•los Pronunciation: (pen"tu-stī'los), [key] — n. a pentastyle building, as a classical temple. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. pentastyle pentasyllable 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