2026-09-27T03:49:48+01:00https://marinefinds.org.uk/datalabs/terminology/object/format/jsonhttps://marinefinds.org.uk/datalabs/terminology/object/format/xmlhttps://marinefinds.org.uk/datalabs/terminology/object3627138863DIOCLETIAN WINDOWYA semi-circular opening or window divided, by two mullions, into three sections, the central section being wider than those either side of it.546P