put a telephone receiver back in its cradle
cause to be hanging or suspended;
"Hang that picture on the wall"
interrupt a telephone conversation
- I've got to hang up now.
- Carols mother told her she had talked long enough on the phone and made her hang up.
- She took her coat off and hung it up.
- The project was hung up for lack of fund.
- The ship was hung up on a sandbar three hours.