The Collaborative International Dictionary
Police \Po*lice"\, n. [F., fr. L. politia the condition of a state, government, administration, Gr. ?, fr. ? to be a citizen, to govern or administer a state, fr. ? citizen, fr. ? city; akin to Skr. pur, puri. Cf. Policy polity, Polity.]
A judicial and executive system, for the government of a city, town, or district, for the preservation of rights, order, cleanliness, health, etc., and for the enforcement of the laws and prevention of crime; the administration of the laws and regulations of a city, incorporated town, or borough.
That which concerns the order of the community; the internal regulation of a state.
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.
(Mil.) Military police, the body of soldiers detailed to preserve civil order and attend to sanitary arrangements in a camp or garrison.
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The cleaning of a camp or garrison, or the state ? a camp as to cleanliness.
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.
WordNet
n. a civil commissioner appointed to supervise the duties and discipline of the police
Wikipedia
Police commissioner (also known as the commissioner of police) is a senior rank in many police forces.
Usage examples of "police commissioner".
The Paris police commissioner was extremely red and a vein pumped in his forehead.
At least, he couldn't without losing face, and face was valuable to Police Commissioner Julius Enderby.
Well, speaking of contacts, why didn't you just try your friend the police commissioner again?
He subsided when he saw that his boss and the Police Commissioner were grinning at each other.
So if there was one person the deputy chief knew he could trust it was Police Commissioner O'Toole.
The police commissioner is occupied with your step-sister, whom you were about to murder.
Until the Police Commissioner showed it to me two or three days ago, I had no idea that it was not in the box in my study where it is ordinarily kept.