Apaches meaning : Any of several Athabascan-speaking peoples of the American southwest excluding Navajo, i.e. Chiricahua, Jicarilla, Lipan, Mescalero, Plains Apache, or Western Apache. A person belonging to an Apache people. A Parisian gangster of the late 19th and early 20th centuries. AH-64 Apache, a U.S. military helicopter.