Definition
A city, town, village, or county that has been incorporated by a state and is authorized to administer local, governmental affairs, e.g. to establish a police force. A municipal corporation is created by a state's legislature which also controls, inter alia, its duration, rights, and powers. Also called a municipality.
Illustrative caselaw
See, e.g. Barnes v. District of Columbia, 91 U.S. 540 (1875).