noun

• A member of the Navajo people, currently the largest Native American tribe in North America.
• An Apachean (Southern Athabaskan) language of the Athabascan language family belonging to the Na-Dené phylum. It is spoken by 149,000 people in the American Southwest (Arizona, New Mexico, Utah, and Colorado).
• An Amerindian people who traditionally speak the Navajo language