Moloch Syllabification: (Mo·loch)Pronunciation: /ˈmälək, ˈmōˌläk/Definition of Moloch a Canaanite idol to whom children were sacrificed. (as noun a Moloch) a tyrannical object of sacrifices. Origin:via late Latin from Greek Molokh, from Hebrew mōleḵMoloch in other Oxford dictionaries Definition of Moloch in the British & World English dictionary