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 |
|---|---|---|---|---|
| Old Aged Pensioners Club | Narrow term | 92790 | - | |
| Old Peoples Asylum | A historic term for a charitable institution caring for destitute, older people. | Narrow term | 92791 | - |
| Old Peoples Home | Narrow term | 71461 | - | |
| OLIVE OIL | Oil produced from the pulp of olives. | Preferred term | 79107 | - |
| OLIVES | Fruit native to the countries bordering the Mediterranean Sea. | Preferred term | 160135 | - |
| OLIVINE SAND | Sand consisting of a mineral common in igneous rocks. | Preferred term | 86350 | - |
| OLYMPIC VLLAGE | Residential area built to house athletes and their coaches at the Olympic Games. The buildings are generally reused as public housing after the contest. | Preferred term | 159200 | - |
| Omnibus Depot | Narrow term | 92792 | - | |
| Omnibus Station | Narrow term | 92793 | - | |
| ONION DRYING SHED | A building where onions are laid out to dry. | Preferred term | 92794 | - |
| ONIONS | The plant, Allium cepa, whose bulb is used, usually for culinary purposes. | Preferred term | 79108 | - |
| OPEN AIR SCHOOL | An early to mid 20th century school designed to effect maximum ventilation and sunlight for its pupils. | Preferred term | 92795 | - |
| Open Air Swimming Pool | Narrow term | 141898 | - | |
| Open Air Swimming Pool | Narrow term | 141897 | - | |
| OPEN AIR THEATRE | An outdoor theatre for the staging of dramatic productions. | Preferred term | 92796 | - |
| OPEN AIR WARD BLOCK | A hospital ward block, completely open on the south side apart from a low railing and sun blind. It was thought beneficial for the recovery of wounded soldiers as well as those with diseases of the chest. | Preferred term | 95045 | - |
| OPEN BRETHREN MEETING HOUSE | A place of meeting and worship for Open Brethren, a non exclusive fundamentalist puritan sect which was created when the Brethren split in 1847. | Preferred term | 99544 | - |
| Open Cast Coal Workings | Narrow term | 92797 | - | |
| Open Cast Copper Workings | Narrow term | 92798 | - | |
| Open Cast Iron Workings | Narrow term | 92799 | - | |
| OPEN CAST MINE | An excavation open to the sky, caused by the extraction of coal, stone or similar. Use with product type where known. | Preferred term | 92800 | - |
| Open Cast Tin Workings | Narrow term | 92801 | - | |
| Open Cast Workings | Narrow term | 92802 | - | |
| Open Conduit | Narrow term | 162978 | - | |
| OPEN FIELD | An area of arable land with common rights after harvest or while fallow. Usually without internal divisions (hedges, walls or fences). | Preferred term | 68639 | - |
| OPEN HALL | A hall, or main living-room in a medieval house, open to the roof. | Preferred term | 138028 | - |
| OPEN HALL HOUSE | A house consisting of a single storey hall with two storey domestic ranges attached to either one or both ends. | Preferred term | 92803 | - |
| OPEN HEARTH | A hearth, normally placed clear of the walls, without a chimney stack or hood above. | Preferred term | 138029 | - |
| OPEN HEARTH FURNACE | A form of blast furnace. Steel is smelted in an open hearth while the waste gases are used to preheat the air blast. | Preferred term | 92804 | - |
| OPEN PEDIMENT | A pediment with a gap at its apex, sometimes filled with an urn or other decorative feature. | Preferred term | 138885 | - |
7741 - 7770 of 12,437 records.