sign out phrasal verb (see also sign)

1. to write your name in a book when you leave a place such as a hotel, an office, or a club

2. sign something ↔ out to write your name on a form or in a book to show that you have taken or borrowed something:
Bernstein signed out a company car.

3. sign somebody ↔ out to write in a book that someone is allowed to leave somewhere such as a school, an office etc:
Parents must sign pupils out when collecting them for doctor’s or dentist’s appointments.

[TahlilGaran] Dictionary of Contemporary English ▲

sign out
to write your name on an official list when leaving a place.
Make sure you sign out if you leave the office after 8 p.m.

Usage notes: sometimes used in the form sign someone out - to write someone's name on an official list when they leave a place:
Can you sign me out, Mitch?

Opposite of: sign in

[TahlilGaran] English Idioms Dictionary ▲

sign out
v. To write your name on a special list or in a record book to show that you are leaving a place.
Most of the students sign out on Friday. Contrast SIGN IN.

[TahlilGaran] English Idioms Dictionary ▲