sign-off

noun
UK /ˈsaɪn ɒf/
US /ˈsaɪn ɔːf/

A sign-off is when someone says goodbye at the end of a message or show.

The radio host gave a friendly sign-off before the music started.


OTHER MEANINGS

2. Official approval given by signing a document.

The project can't start until it gets the manager's sign-off.

3. The ending words of a letter or email.

She ended the email with a warm sign-off.

4. The act of ending a broadcast or program.

The news anchor's sign-off is famous across the country.