TutsiPronunciation: /ˈtʊtsi/Definition of Tutsi noun (plural same or Tutsis) a member of a people forming a minority of the population of Rwanda and Burundi but 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 US English dictionary