- a state in the southwestern United States. 113,909 sq. mi. (295,025 sq. km). Capital: Phoenix. Abbreviations: AZ (for use with zip code), Ariz.
- a state of the southwestern US: consists of the Colorado plateau in the northeast, including the Grand Canyon, divided from desert in the southwest by mountains rising over 3750 m (12 500 ft). Capital: Phoenix. Pop: 5 580 811 (2003 est). Area: 293 750 sq km (113 417 sq miles)
