LEARNit Dictionary
stool pigeon
noun
/ˈstuːl pɪdʒɪn/
UK
/ˈstuːl pɪdʒɪn/
US
1
a person, especially a criminal, who helps the police to catch another criminal, for example by spending time with them and getting secret information
خبرچین, مخبر, جاسوس
synonym
informer