/ Dictionary / Index C Cleisthenes: Meaning and Definition of Find definitions for: Cleis•the•nes Pronunciation: (klīs'thu-nēz"), [key] — n. active c515–c495 b.c., Athenian statesman. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. cleidoic cleisto- Related Content Daily Word Quiz: fresco Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language