stool pigeon

US 
UK 
  • n.内线
  • Web密探;诱捕用的鸽子;卧底,线人
Plural Form:stool pigeons  
stool pigeon
n.
1.
(向警察提供情报的)线人,内线a person, especially a criminal, who helps the police to catch another criminal, for example by spending time with them and getting secret information

Sample Sentence

Definition:
Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical
Source:AllAll,DictionaryDictionary,WebWeb
Difficulty:AllAll,EasyEasy,MiddleMiddle,HardHard