Definition of "stool pigeon" [stool pigeon]

Slang A person acting as a decoy or as an informer, especially one who is a spy for the police. (noun)
A pigeon used as a decoy. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "stool pigeon" in a sentence

"Sammy Benavides said, “Is a stool pigeon a good man in your book,"

Words like "stool pigeon"

bait betrayer blabber decoy

freeze-frame informant informer lure

narnian

rat squealer stoolie

stooly