/ Dictionary / Index E ethnarchy: Meaning and Definition of Find definitions for: eth•nar•chy Pronunciation: (eth'när-kē), [key] — pl. -chies. the government, office, or jurisdiction of an ethnarch. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. ethnarch ethnic Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language