LEARNit Dictionary
supergrass
noun
/ˈsuːpəɡrɑːs/
UK
/ˈsuːpərɡræs/
US
1
a criminal who informs the police about the activities of a large number of other criminals, usually in order to get a less severe punishment
خبرچین عمده, لو دهنده عمده
compare
grass