Definition of Apache
1 (plural same or Apaches) a member of a North American Indian people living chiefly in New Mexico and Arizona. The Apache put up fierce resistance to the European settlers and were, under the leadership of Geronimo, the last American Indian people to be conquered. 2any of the Athabaskan languages of the Apache, which have about 14,000 speakers altogether, though some are virtually extinct.
relating to the Apache or their language.