The Collaborative International Dictionary of English v.0.48:

Album \Al"bum\, n. [L., neut. of albus white: cf. F. album. Cf.
   Alb.]
   1. (Rom. Antiq.) A white tablet on which anything was
      inscribed, as a list of names, etc.
      [1913 Webster]

   2. A register for visitors' names; a visitors' book.
      [1913 Webster]

   3. A blank book, in which to insert autographs, sketches,
      memorial writing of friends, photographs, etc.
      [1913 Webster]

WordNet (r) 3.0 (2006):

album
    n 1: 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 [syn: album, record album]
    2: a book of blank pages with pockets or envelopes; for
       organizing photographs or stamp collections etc