Yao2 Syllabification: (Yao)Pronunciation: /you/Definition of Yao noun (plural same) 1a member of a mountain-dwelling people of southern China. 2the language of the Yao. adjective relating to the Yao or their language. Origin:from Chinese Yáo, literally 'precious jade'Yao in other Oxford dictionaries Definition of Yao in the British & World English dictionary