2026-09-27T23:29:56+01:00https://marinefinds.org.uk/datalabs/terminology/object/format/jsonhttps://marinefinds.org.uk/datalabs/terminology/object/format/xmlhttps://marinefinds.org.uk/datalabs/terminology/object3203138039ORTHOSTATYA large vertical stone forming part of a structure. If the structure is roofed, the orthostat will stretch from the floor to the roof as a single slab.546P590771116OrthostatN1N