Definitions for "Tumulus"
Keywords:  mound, burial, tumuli, tomb, barrow
An artificial hillock, especially one raised over a grave, particularly over the graves of persons buried in ancient times; a barrow.
Burial mounds; in Etruscan architecture, tumuli cover one or more subterranean multichambered tombs cut out of the local tufa.
A tumulus is a dome or mound shaped structure on the crust of a lava flow caused by pressure from the difference in rates of flow beneath the crust. Unlike a volcanic blister a tumulus is a solid structure.