ManchuPronunciation: /manˈtʃuː/Definition of Manchu noun 1a member of a people originally living in Manchuria, who formed the last imperial dynasty of China (1644–1912). 2 [mass noun] the Tungusic language of the Manchus, still spoken by a few thousand people in Xinjiang, though most Manchus now speak Chinese. adjective relating to the Manchu people or their language. Origin:the name in Manchu, literally 'pure'Manchu in other Oxford dictionaries Definition of Manchu in the US English dictionary