stoolpigeon

Found in Anh - Anh (Wordnet)

Definition Noun : 1. An informer for the police : A person who secretly provides information about criminal activities to law enforcement. 2. A decoy or lure : A person used by the police to trap others, especially by pretending to participate in a crime. Usage The term "stoolpigeon" is used to describe a person who betrays associates by giving information to authorities. It carries a strong ne...