Mūsēum, i, and Mūsīum, ĭi, n., = Μουσεῖον,
a seat of the muses, a museum; a place for learned occupations, a library, academy, study , Varr. R. R. 3, 5, 9; Suet. Claud. 42; Spart. Hadr. 20; a grotto , Plin. 36, 21, 42, § 154.
·noun A repository or a collection of natural, scientific, or literary curiosities, or of works of a...
Webster's Dictionary of the English Language