visiting book—
1. a book containing the names of persons to be visited:
- Julia will be missed at St. Christopher’s Hospital and by the many people in her visiting book.
2. a book for the signatures and comments of visitors to a museum, etc.:
- The Bishop went and wrote his name in the visiting-book at Gaunt House that very day.
visitors’ book — = visiting book 2:
- The Emperor Nicholas “expressed himself much pleased,” as the visitors’ books have it.