Simple Definition of stool pigeon
: a criminal who gives the police information about other criminals
Full Definition of stool pigeon
1 : a person acting as a decoy or informer; especially : a spy sent into a group to report (as to the police) on its activities
2 : a pigeon used as a decoy to draw others within a net
Examples of stool pigeon in a sentence
<the FBI finally got a break when one of the mob boss's top henchmen turned stool pigeon>
Origin of stool pigeon
probably from the early practice of fastening the decoy bird to a stool
First Known Use: 1826
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Thesaurus: All synonyms and antonyms for "stool pigeon"
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