RhymeZone: backlist definitions

Definitions of backlist:

noun: (publishing) A list of older books available from a publisher, as opposed to the frontlist of more recent titles.
verb: (transitive) To hold back a student's application (to a college etc.) based on whether a preferred candidate declines their offer.
verb: (transitive, publishing) To place (a book) on a backlist.

(Definitions from Wiktionary)