Quiché Syllabification: (Qui·ché)Pronunciation: /kēˈCHā/Definition of Quiché noun (plural same or Quichés) 1a member of a people inhabiting the western highlands of Guatemala. 2the Mayan language of the Quiché. adjective relating to the Quiché or their language. Origin:the name in QuichéQuiché in other Oxford dictionaries Definition of Quiché in the British & World English dictionary