AchinesePronunciation: /ˈatʃɪniːz/Definition of Achinese noun (plural same) 1a member of a people living in northern Sumatra. 2 [mass noun] the Indonesian language of the Achinese. adjective relating to the Achinese or their language. Origin:from Acheh, Atjeh, a territory in northern Sumatra, + -n- + -ese
