NARK


Meaning of NARK in English

/ nɑːk; NAmE nɑːrk/ noun

( BrE , slang ) a person who is friendly with criminals and who gives the police information about them

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WORD ORIGIN

mid 19th cent.: from Romany nāk nose.

Oxford Advanced Learner's English Dictionary.      Оксфордский английский словарь для изучающик язык на продвинутом уровне.