An underground system of tunnels and chambers with recesses for graves, used (in former times) as a cemetery; a tunnel system used for burying the dead, as in Paris or Ancient Rome.
A wide stone bench built into the wall of a house, shop etc. in the Middle East.
A rectangular structure with a flat top and slightly sloping sides, built during Ancient Egyptian times above tombs that were situated on flat land. Mastabas were made of wood, mud bricks, stone, or a combination of these materials. Some are solid structures, while others can contain one or more rooms, sometimes decorated with paintings or inscriptions.