What does "police" mean?

Additional senses

1. 2.The organized body of civil officers in a city, town, or district, whose particular duties are the preservation of good order, the prevention and detection of crime, and the enforcement of the laws.
2. 3.(Mil.) Military police, the body of soldiers detailed to preserve civil order and attend to sanitary arrangements in a camp or garrison.
3. 4.The cleaning of a camp or garrison, or the state Police commissioner, a civil officer, usually one of a board, commissioned to regulate and control the appointment, duties, and discipline of the police. -- Police constable, or Police officer, a policeman. -- Police court, a minor court to try persons brought before it by the police. -- Police inspector, an officer of police ranking next below a superintendent. -- Police jury, a body of officers who collectively exercise jurisdiction in certain cases of police, as levying taxes, etc.; -- so called in Louisiana. Bouvier. -- Police justice, or Police magistrate, a judge of a police court. -- Police offenses (Law), minor offenses against the order of the community, of which a police court may have final jurisdiction. -- Police station, the headquarters of the police, or of a section of them; the place where the police assemble for orders, and to which they take arrested persons.
4. 5.To keep in order by police.
5. 6.(Mil.) To make clean; as, to police a camp.