The Collaborative International Dictionary of English v.0.48:
Navajoes \Na"va*joes\, n. pl.; sing. Navajo. (Ethnol.) A tribe of Indians inhabiting New Mexico and Arizona, allied to the Apaches. They are now largely engaged in agriculture. [1913 Webster]WordNet (r) 3.0 (2006):
Navajo n 1: a member of an Athapaskan people that migrated to Arizona and New Mexico and Utah [syn: Navaho, Navajo] 2: the Athapaskan language spoken by the Navaho [syn: Navaho, Navajo]