A call number is the number that fixes a book's place on the shelves. Note the call number.
It groups subjects together, so browsing near the one you wanted is half the point of a library. A call number in a research library encodes the subject, and in a public one it often encodes the author too.
1nouncall numberThe number that fixes a book's place on the shelves.
“The call number was written on a slip and lost immediately.”
call number is a number.
Practised in Libraries & Museums