mastabah, n. [Ar. maçtabah a large stone bench.].
In Mohammedan countries, a fixed seat, common in dwellings and in public places. [Webster 1913 Suppl.]
A type of tomb, of the time of the Memphite dynasties, comprising an oblong structure with sloping sides (sometimes containing a decorated chamber, sometimes of solid masonry), and connected with a mummy chamber in the rock beneath. [Webster 1913 Suppl.]