Learn how to say Museums correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word museum:
a building in which objects of historical, scientific, artistic, or cultural interest are stored and exhibited:
the Museum of Modern Art
the museum is noted for its fine fossil collection
a museum curator
it is difficult to avoid the feeling that the city is now a living museum
early 17th century (denoting a university building, specifically one erected at Alexandria by Ptolemy Soter): via Latin from Greek mouseion ‘seat of the Muses’, based on mousa ‘muse’