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

Moby Thesaurus II by Grady Ward, 1.0:

54 Moby Thesaurus words for "museum":
   British Museum, Festschrift, Guggenheim Museum, Hermitage,
   Indian reservation, Louvre, Metropolitan Museum, National Gallery,
   Prado, Rijksmuseum, Tate Gallery, Uffizi, ana, anthology, aquarium,
   archives, art gallery, bank, bird sanctuary, body, chrestomathy,
   collectanea, collection, compilation, corpus, curatorship, data,
   florilegium, forest preserve, fund, gallery, game reserve,
   holdings, library, menagerie, museology, national forest,
   national park, paradise, park, picture gallery, pinacotheca,
   preserve, raw data, reservation, reserve, salon, sanctuary,
   state forest, store, treasure, wilderness preserve,
   wildlife preserve, zoo



The Free On-line Dictionary of Computing (30 December 2018):

museum

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

   (1995-03-16)