1. a mark or symbol stamped on a book or document to indicate its location in a library or collection
Usage: library science

Examples

• The librarian used the pressmark to locate the rare manuscript.
• Each book in the collection bears a unique pressmark for cataloging purposes.
• The pressmark 821.3 indicated the book’s position in the poetry section.
• Students must record the pressmark when requesting books from the archives.
• The faded pressmark on the spine made it difficult to identify the book’s proper shelf location.