From Longman Dictionary of Contemporary Englishsign out phrasal verb1 DLTSIGN YOUR NAMEto write your name in a book when you leave a place such as a hotel, an office, or a club2 sign something ↔ outBORROWSIGN YOUR NAME 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. → sign→ See Verb table
