Definitions of Chihuahua:

• noun:   old breed of tiny short-coated dog with protruding eyes from Mexico held to antedate Aztec civilization
• noun:   a state in northern Mexico; mostly high plateau
• noun:   a city in northern Mexico in the state of Chihuahua; commercial center of northern Mexico
• name:  A surname (very rare: popularity rank in the U.S.: #36099)