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.
- Searches can be made for specific materials through the call number, which indicates the location of the book.
- 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.
For editors and proofreaders
Syllabification: call num·ber
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