Noah Webster's Dictionary (n.) The governor of a province or people. Int. Standard Bible Encyclopedia ETHNARCH eth'-nark (2 Corinthians 11:32 margin). See GOVERNOR.

Multi-Version Concordance Ethnarch (1 Occurrence) 2 Corinthians 11:32 In Damascus the ethnarch of Aretas the king kept the city of the Damascenes shut up, wishing to take me; (DBY YLT NAS)