/ ˌmɔːsəˈliːəm; NAmE / noun
a special building made to hold the dead body of an important person or the dead bodies of a family :
the royal mausoleum
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WORD ORIGIN
late 15th cent.: via Latin from Greek Mausōleion , from Mausōlos , the name of a king of Caria (4th cent. BC), to whose tomb in Halicarnassus the name was originally applied.