one or more recordings issued together; originally released on 12-inch phonograph records (usually with attractive record covers) and later on cassette audiotape and compact disc
"The band finally dropped their new album, which features all twelve original tracks packaged in a sleek vinyl set."
a book of blank pages with pockets or envelopes; for organizing photographs or stamp collections etc
"She carefully placed her vintage stamps into the protective sleeves inside her new album before taking it to the post office."
In Ancient Rome, a white tablet or register on which the praetor's edicts and other public notices were recorded.
"The Roman lawyer carefully inscribed his legal precedents onto an official album so that citizens could consult them in the forum."
In plain English: An album is a collection of songs grouped together and sold as a single item, usually on CD or vinyl.
"She carefully placed her favorite photos into a new photo album to remember her vacation."
Usage: In modern English, an album is a book containing photographs, stamps, or music recordings that people collect or display. Do not use it to refer to ancient Roman legal tablets, as that is a specialized historical definition rarely encountered in daily conversation.
The word comes from the Latin album, which originally meant a blank white writing tablet. It entered English to refer specifically to that type of smooth, white surface used for inscriptions or notes.