sign out

Meanings

1. To sign one's name as an indication that one is leaving some location; to take some action to indicate one is leaving a secured program or web page on a computer.
2. To remove (something) and take (it) into one's possession, having registered or signed for it in some way as a record of possession and a promise to return it (e.g., by your signature or log-in credentials).
3. To signal.
4. To say something through sign language.