stool pigeon

• Terme d'argot désignant un informateur de la police ou une personne qui trahit un groupe en fournissant des informations aux autorités; à l'origine, cela faisait référence à un pigeon utilisé comme appât pour attraper d'autres oiseaux.

An old-fashioned slang term for a police informant or someone who betrays a group by providing information to authorities, originally derived from the use of a decoy pigeon to trap other birds.

1. Informant or spyC1informalamerican

   A person who secretly gives information to the police or authorities about criminal activities.

   Indicateur de police

   • The gang suspected there was a stool pigeon in their midst.
   • He became a stool pigeon to avoid a long prison sentence.
   • The detective relied on a stool pigeon for inside information.