a book in a museum, hotel, etc, in which a visitor can comment on his or her visit to that place
a page on a website where visitors may leave messages or greetings
- guest rope,
- guest star,
- guest worker,
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Examples from the Web for guestbook
Oh, and no deal was inked, but Kerry did manage to sign Israeli President Shimon Peres's guestbook.