Akademik

copper's nark
noun
an informer or spy working for the police
Syn: ↑nark
Derivationally related forms: ↑nark (for: ↑nark)
Regions: ↑United Kingdom, ↑UK, ↑U.K., ↑Britain, ↑United Kingdom of Great Britain and Northern Ireland, ↑Great Britain
Hypernyms: ↑informer, ↑betrayer, ↑rat, ↑squealer, ↑blabber

Useful english dictionary. 2012.