An automobile used by a police officer when on duty.

(chiefly Britain, dated) A telephone kiosk where members of the public may telephone the police; a few original boxes still exist in Britain, but they do not operate. The city of Glasgow in Scotland has new police boxes, which are not booths but computerised kiosks, that connect the caller to a police CCTV control-room operator.

(law enforcement) Any police organization; a constabulary.

A building serving as the headquarters of a branch of the police force, and sometimes as a temporary place of confinement for offenders.

The police department charged with patrolling harbours and waterways by boat.

(informal, derogatory) Any person or group crusading for a particular usage or omission within a language; also called language cops, tongue troopers.

A subgenre of crime fiction which portrays the activities of a police force as they investigate crimes. Unlike in other types of crime fiction, the perpetrator may be known at the outset of the story.

A dog trained and employed by the police to pursue suspects or sniff out contraband. / (dated) Synonym of German shepherd

(US) A register, maintained by the desk sergeant, of people arrested or brought in for questioning to a police station; (UK) charge sheet. / (US) A newspaper column publishing highlights therefrom.

A unit of the civil police who are specifically trained to serve duty on horseback. Their duties can be ceremonial, or often for crowd control, and to police areas of difficult access or wilderness areas.