mausolean

noun pl. mausoleums -·le′·ums

1. the tomb of Mausolus, king of Caria, at Halicarnassus: included among the seven wonders of the ancient world
2. a large, imposing tomb: humorously applied to any large, somber building or room
3. a building with vaults for the entombment of a number of bodies

Etymology: L < Gr Mausōleion