These terms are from the FISH Archaeological Objects Thesaurus (Forum on Information Standards in Heritage - FISH).
| Term | Scope note | Term type | SENESCHAL URI | Other URI |
|---|---|---|---|---|
| ORTHODONTICS DEPARTMENT | A hospital department for the medical and surgical treatment of teeth disorders. | Preferred term | 92830 | - |
| ORTHODOX CHURCH | A place of worship for followers of the Orthodox Catholic Church. Use only where the specific denomination is unknown. | Preferred term | 92831 | - |
| ORTHOPAEDIC DEPARTMENT | A department devoted to the curing or correcting of physical deformities. | Preferred term | 92832 | - |
| ORTHOPAEDIC HOSPITAL | A hospital devoted to the curing or correcting of physical deformities. | Preferred term | 92833 | - |
| ORTHOSTAT | A 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. | Preferred term | 138039 | - |
| Orthostat | Narrow term | 71116 | - | |
| OSCILLATING STEAM ENGINE | A compact design of steam engine which eliminates a connecting rod by having the piston rod directly attached to the crank. | Preferred term | 138040 | - |
| OSIER BED | A place where osiers (willows) are grown for basket-making. | Preferred term | 78215 | - |
| OSSET LOOM | A narrow hand loom. | Preferred term | 138041 | - |
| OSSUARY | A building, site or container used to store the bones of the dead after they have been removed from graves to allow new burials. | Preferred term | 70091 | - |
| OSSUARY | An object that contains bones. Use a monuments thesaurus where this is a site type. | Preferred term | 95993 | - |
| OUBLIETTE | A hidden dungeon entered through a trap door from the room above it. Also a similarly concealed pit into which prisoners would be cast. | Preferred term | 138042 | - |
| OUBLIETTE | An underground cell, usually hidden and accessed only through a trapdoor, in which a prisoner was confined and then allegedly forgotten about. | Preferred term | 118974 | - |
| OUTBUILDING | A detached subordinate building. Use specific type where known, eg. DAIRY. | Preferred term | 70338 | - |
| OUTDOOR PLAYHOUSE | A purpose built theatre with a central open yard, dating to the Elizabethan period. Famous examples include The Globe and the Swan. | Preferred term | 147526 | - |
| OUTDOOR SWIMMING POOL | An unenclosed feature, usually sub-terranean, constructed to contain water for public or private recreation and sporting avtivities. Sometimes part of a LIDO complex. Use INDOOR SWIMMING POOL for pools with a covering structure. | Preferred term | 141676 | - |
| OUTDOOR SWIMMING POOL | A unenclosed feature, usually sub-terranean, constructed to contain water for public or private recreation and sporting activities. Sometimes part of a LIDO complex. Use INDOOR SWIMMING POOL for pools within a covering structure. | Preferred term | 141675 | - |
| OUTER BAILEY | A large defensive area that usually has to be crossed before entering the inner bailey of a castle. | Preferred term | 138043 | - |
| Outer Bailey | Narrow term | 70553 | - | |
| OUTERWEAR | Clothes worn so that they are visible, usually but not always worn over other clothes. | Preferred term | 97108 | - |
| OUTFALL SEWER | The outlet or mouth of a sewer where it dispenses into the sea, lake, etc. | Preferred term | 92834 | - |
| OUTFARM | A multi-purpose farm building in an outlaying area of a farm. | Preferred term | 92835 | - |
| OUTFITTER | A shop that sells men's clothes, either off the peg, bespoke or both. | Preferred term | 151471 | - |
| OUTPATIENTS DEPARTMENT | A hospital department which treats patients without keeping them in overnight or for a longer period. | Preferred term | 92836 | - |
| OUTSHOT | An extension to a building, though sometimes contemporary with it, housed under a lean-to roof. | Preferred term | 138044 | - |
| Outshut | Narrow term | 138045 | - | |
| OVAL BARROW | A form of Neolithic long barrow comprising an oval, rather than rectangular or trapezoidal mound. | Preferred term | 70007 | - |
| OVAL ENCLOSURE | An oval shaped area of land enclosed by a boundary ditch, bank, wall, palisade or similar barrier. | Preferred term | 70358 | - |
| OVEN | A brick, stone or iron receptacle for baking bread or other food in. | Preferred term | 70396 | - |
| OVEN | An enclosed structure of brick, stone or metal in which material is heated or burned, or, in a domestic context, food is cooked, through the continuous radiation of heat from its floor, walls or ceiling. | Preferred term | 139618 | - |
7861 - 7890 of 12,437 records.