The Collaborative International Dictionary of English v.0.48:

Museum \Mu*se"um\, n. [L., a temple of the Muses, hence, a place
   of study, fr. Gr. ?, fr. ? a Muse.]
   A repository or a collection of natural, scientific, or
   literary curiosities, or of works of art.
   [1913 Webster]

   Museum beetle, Museum pest. (Zool.) See Anthrenus.
      [1913 Webster]

WordNet (r) 3.0 (2006):

museum
    n 1: a depository for collecting and displaying objects having
         scientific or historical or artistic value

The Free On-line Dictionary of Computing (19 January 2023):

museum

   Museums on the Web
   (http://comlab.ox.ac.uk/archive/other/museums.html).
   (http://galaxy.einet.net/GJ/museums.html).

   (1995-03-16)