a member of a group of Apache Indians who originally inhabited northern Mexico and the southwestern U.S. east of the Rio Grande, have intermarried with the Chiricahua and Lipan, and are presently situated in New Mexico.
Mes·ca·le·ro (měs'kə-lâr'ō) n.
pl.Mescalero or Mes·ca·le·ros
An Apache tribe formerly inhabiting southern New Mexico, western Texas, and north-central Mexico, with a present-day population in southern New Mexico.