The definition of a discography is a collection or list of musical recordings by a performer or composer.(noun)
All of the albums made by The Beatles, or a catalog of all of those albums, is an example of discography.
See discography in Webster's New World College Dictionary
noun pl. discographies
Origin: disco- + (biblio)graphy
See discography in American Heritage Dictionary 4
noun pl. dis·cog·ra·phies
Learn more about discography