(especially in older libraries) a mark on a library book indicating its location.
〈英〉（尤指旧时图书馆藏书上标的）书架号
Example sentencesExamples
The authors have consciously excluded library pressmarks, and this may be disappointing to some readers because of the potential value of these to scholars seeking to locate copies in a particular library.
Definition of pressmark in US English:
pressmark
nounˈpresˌmärkˈprɛsˌmɑrk
British
A call number.
Example sentencesExamples
The authors have consciously excluded library pressmarks, and this may be disappointing to some readers because of the potential value of these to scholars seeking to locate copies in a particular library.