stool pigeon
noun
a pigeon used as a decoy.
Also called stool·ie
[stoo-lee] /ˈstu li/, stooly. Slang.
a person employed or acting as a decoy or informer, especially for the police.
Origin of stool pigeon
An Americanism dating back to 1820–30
Words nearby stool pigeon
stook,
stookey-scarff operation,
stookie,
stool,
stool ball,
stool pigeon,
stooly,
stoop,
stoop ball,
stoop labor,
stoop to
Example sentences from the Web for stool pigeon
British Dictionary definitions for stool pigeon
stool pigeon
noun
a living or dummy pigeon used to decoy others
an informer for the police; nark
US slang
a person acting as a decoy
Cultural definitions for stool pigeon
stool pigeon
An informer, especially for the police: “Lefty figured out that Mugsy was the stool pigeon when he saw him talking to the warden.”
Idioms and Phrases with stool pigeon
stool pigeon
A decoy or informer, especially a police spy. For example, Watch out for Doug; I'm sure he's a stool pigeon for the supervisor. This term alludes to a bird tied to a stool or similar perch in order to attract other birds, which will then be shot. However, one writer believes that stool is a variant for stale or stall, both nouns used for a decoy bird before 1500 or so. [c. 1820]