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English definition of “trooper”

trooper

noun [C] (POLICE OFFICER)    /ˈtruː.pər/ US  /-pɚ/ US
a police officer in one of the forces of the 50 states of the US: state troopers Troopers are called out in emergencies or dangerous situations.People who work for the police service
(Definition of trooper noun (POLICE OFFICER) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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