Tutsi Syllabification: (Tut·si)Pronunciation: /ˈto͞otsē/Definition of Tutsi noun (plural same or Tutsis) a member of a people forming a minority of the population of Rwanda and Burundi, who formerly dominated the Hutu majority. Historical antagonism between the peoples led in 1994 to large-scale ethnic violence, especially in Rwanda. adjective relating to the Tutsi. Origin:a local name. See also WatusiTutsi in other Oxford dictionaries Definition of Tutsi in the British & World English dictionary