militia -
the entire body of physically fit civilians eligible by law for military service; "their troops were untrained militia"; "Congress shall have power to provide for calling forth the militia"--United States Constitution
body the external structure of a vehicle; "the body of the car was badly rusted"
militia -
The national police force of certain countries e. g. Russia, Ukraine.
Wikipedia
The term militia is commonly used today to refer to a military force composed of ordinary citizens to provide defense, emergency law enforcement, or paramilitary service, in times of emergency without being paid a regular salary or committed to a fixed term of service. It is a polyseme.
OmegaWiki Dictionary
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militia A private force, not under government control.