ZionPronunciation: /ˈzʌɪən/ (also Sion)Definition of Zion noun 1the hill of Jerusalem on which the city of David was built. Jerusalem. the Jewish people or religion. 2(in Christian thought) the heavenly city or kingdom of heaven. the Christian Church. 3a land of future promise or return from exile. (among Jews) Israel. (among Rastafarians) Africa. Origin: Old English, from ecclesiastical Latin Sion, from Hebrew ṣīyōnZion in other Oxford dictionaries Definition of Zion in the US English dictionary