Definition of call number in US English:

call number


  • A mark, especially a number, on the spine of a library book, or listed in the library's catalog, indicating the book's location in the library.

    • ‘It offers a variety of ways to get at the texts, including library call numbers and interlibrary loan where needed, and also citation information in some cases.’
    • ‘Money and Security has been placed by its Library of Congress call number in military history, but it might find a more appropriate home in economic affairs.’
    • ‘I walked along the side of the shelves until I found the call number of one of the books I was looking for.’
    • ‘‘You sound like my brother,’ she said wryly, rolling her eyes as she bent to pick a few books out of the bin and checking their call numbers.’
    • ‘Searches can be made for specific materials through the call number, which indicates the location of the book.’
    • ‘While some dealers tried to conceal the provenance of the books, others brazenly sold volumes still bearing call numbers on the spines.’