verb
- informed on someone; betrayed someone to authorities
Usage: informal; archaic
Examples
- He peached on his accomplices to reduce his sentence.
- The gang member peached when threatened with prison time.
- She felt guilty after she peached on her friend to the teacher.
- Nobody trusted him after he peached on the group.
- The criminal peached in exchange for immunity.
- They discovered who had peached to the police.