Definitions of Chang:

• noun:   the longest river of Asia; flows eastward from Tibet into the East China Sea near Shanghai
• name:  A surname (common: 1 in 5882 families; popularity rank in the U.S.: #687)
• name:  A male given name (rare: 1 in 20000 males; popularity rank in the U.S.: #943)
• name:  A female given name (rare: 1 in 100000 females; popularity rank in the U.S.: #3336)