LATIN DICTIONARYLexicon Latīnum
noun · neutersecond declension

mūsēum

mūsēum n (genitive mūsēī)
Classical[muːˈseː.ũː]Ecclesiastical[muˈs̬ɛː.um]

Meaning

  1. a place or temple devoted to the Muses
  2. collection, especially a private collection of scientific curiosities, instruments, etc.
    Museum Adolpho-FridericianumThe Adolf Friderik Collection
  3. library, a collection of books
  4. museum

Declension

declension
formsingularplural
nominativemūsēummūsēa
genitivemūsēīmūsēōrum
dativemūsēōmūsēīs
accusativemūsēummūsēa
ablativemūsēōmūsēīs
vocativemūsēummūsēa

Mūsēum, i, and Mūsīum, ĭi, n., = Μουσεῖον,
I. 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.

Origins

Borrowed from Ancient Greek Μουσεῖον (Mouseîon, “a shrine of the Muses”).

In the Academy Smith's classical dictionaries

AntiquitiesMuseumMuseum (Μουσεῖον) signified in general a place dedicated to the Muses, but was specially the name given to an institution at Alexandria founded by Pto…

Quick answers

What does mūsēum mean in Latin?
mūsēum, a noun, means “a place or temple devoted to the Muses; collection, especially a private collection of scientific curiosities, instruments, etc.; library, a collection of books”.
What is the genitive of mūsēum?
The genitive singular is mūsēī. mūsēum is neuter, second declension.
How do you pronounce mūsēum?
In classical Latin, [muːˈseː.ũː]; in ecclesiastical (church) Latin, [muˈs̬ɛː.um].