Orthostat

Orthostat found south of the tomb of HoremhebArchaeological term derived from the Greek Orthostatês, ‘Standing upright' (Orthos, ‘Straight', ‘Right', ‘True' + Statos, ‘Cause to stand'). This refers to a large stone or slab, often megalithic and/or monolithic, in an upright position, standing on one of the (shorter) sides.