patrolman

A policeman who patrols or polices an assigned area.

One who patrols an assigned area.

A member of the police force of a town or city who patrols a certain “beat”; one of the patrol; a policeman; specifically, in some large cities of the United States, a member of the principal body of the police force ranking below a roundsman.

Hence One who goes over a certain course examining something, as the condition of an electric circuit.

One who patrols; a watchman; especially, a policeman who patrols a particular precinct of a town or city.

A police officer, especially a junior one who does patrol instead of detection or supervising other policemen.

a policeman who patrols a given region