An informal term for a British policeman.

Low-ranking British police officer. In medieval Europe, a constable was an officer of the king, originally responsible for army stores and stabling, and later responsible for the army in the king's absence. In England the constable subsequently became an official at a sheriff's court of law, leading to the title's current meaning.

A policeman or policewoman.

ETYM French officier. Related to Office, Official.
A person authorized to serve in a position of authority on a vessel; SYN. ship's officer.

(Irregular plural: patrolmen).
One who patrols; a watchman; especially, a policeman who patrols a particular precinct of a town or city, usually by car.

(Irregular plural: policemen).
1. A member of a police force; SYN. police officer, officer.
2. One held to resemble a policeman.