/ Dictionary / Index A archon: Meaning and Definition of Find definitions for: ar•chon Pronunciation: (är'kon), [key] — n. a higher magistrate in ancient Athens. any ruler. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Arch of Triumph archosaur Related Content Daily Word Quiz: tactful Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language