or tholos
Large, beehive-shaped ceremonial tomb, sometimes built into the side of a hill.
The Treasury of Atreus, a surviving tholos (с 1300–1250 BC) of the Mycenaean civilization, is a pointed dome built up of stepped blocks of conglomerate masonry cut and polished to give the impression of a true vault . A small side chamber contained the burials, while the main chamber was probably reserved for ritual use.