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English definition of “police”

police

plural noun  /pəˈlis/ us  
an official force whose job is to maintain public order, deal with crime, and make people obey the law, or the members of this force: I think you should call the police. Police arrested two people in connection with the robbery.

police

verb [T]  /pəˈlis/ us  
to control or maintain order, esp. with police: Security forces policed the border. It’s up to the government to police the financial markets.
(Definition of police from the Cambridge Academic Content Dictionary © Cambridge University Press)
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