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 |
|---|---|---|---|---|
| U Class Submarine | Narrow term | - | - | |
| U SHAPE PLAN | A building or structural plan with a U shape. | Preferred term | 138383 | - |
| UMBER WORKINGS | A place where umber or oxide of iron and manganese, is extracted from an open cast mine. | Preferred term | 78219 | - |
| Umbo | Narrow term | - | - | |
| UMBRELLA | A folding circular cover on a stick held in the hand for protection against rain. | Preferred term | 96745 | - |
| UMBRELLA AND CANE WORKS | A building or complex producing umbrellas, parasols and canes. | Preferred term | 159244 | - |
| UNASSIGNED | Objects which cannot be assigned to any one particular class, or the function of which is unknown. | Preferred term | 95070 | - |
| UNASSIGNED | This is the top term for the class. This class includes terms with very broad definitions which could be assigned to three or more classes. See UNASSIGNED Class List for narrow terms. | Preferred term | 143259 | - |
| UNASSIGNED | Sites, buildings, structures, features & areas of land, both natural & man-made, which cannot be assigned to a particular class (for example, railings). | Preferred term | 70306 | - |
| Unclassified Site | Narrow term | 71265 | - | |
| UNDERBRIDGE | A bridge crossing under railway property. | Preferred term | 164116 | - |
| UNDERCROFT | A vault or crypt under a church or chapel. Use wider site type where known. | Preferred term | 70344 | - |
| UNDERCROFT | An underground, or partially underground, vault or crypt beneath a church or other building. | Preferred term | 138385 | - |
| UNDERGROUND CAR PARK | A car park situated beneath the surface of the ground. | Preferred term | 93672 | - |
| UNDERGROUND GOVERNMENT HEADQUARTERS | A secure, bomb-proof, undergound complex designed to be used by the government in the event of a national emergency such as nuclear war. Usually equipped with communications equipment, emergency rations and water and air filtering plants. | Preferred term | 140769 | - |
| UNDERGROUND HOSPITAL | A hospital which has been built either wholly, or partially, underground in order to protect it from attacks by enemy aircraft. | Preferred term | 140770 | - |
| UNDERGROUND MILITARY HEADQUARTERS | An underground bomb-proof structure used as a command centre for military operations. | Preferred term | 87796 | - |
| UNDERGROUND MONITORING POST | A small underground chamber from where it was intended to monitor radioactive fallout in the event of nuclear attack. The majority were built between 1956 and 1964, although construction continued into the early 1970s. | Preferred term | 100217 | - |
| UNDERGROUND RAILWAY | A railway which runs beneath the surface of the ground, eg. the London Underground Railway. | Preferred term | 71189 | - |
| UNDERGROUND RAILWAY STATION | A stopping place on an underground railway system where passengers can board and disembark from a train. | Preferred term | 71366 | - |
| UNDERGROUND RAILWAY TUNNEL | A tunnel carrying a railway beneath the surface of the ground. | Preferred term | 93673 | - |
| Underground Station | Narrow term | 93674 | - | |
| UNDERGROUND STRUCTURE | A constructed space beneath the surface of the ground. | Preferred term | 70424 | - |
| Underground Testing Range | Narrow term | 93892 | - | |
| UNDERPASS | A route way which passes underneath the surface of the ground. | Preferred term | 93675 | - |
| Undershot Waterwheel | Narrow term | 93676 | - | |
| UNDERSHOT WHEEL | A waterwheel where the inflow of water strikes the paddles or floatboards well below the axis of the wheel, ie. the water more or less passes under it. | Preferred term | 93677 | - |
| UNDERSHOT WHEEL | A waterwheel where the inflow of water strikes the paddles, or floatboards, below the axis of the wheel. | Preferred term | 138386 | - |
| Undertakers | Narrow term | 93678 | - | |
| UNDERWATER DIVING FEATURE | Feature, typically a ship, boat, aircraft or vehicle, deliberately sunk for recreational and diver educational purposes in inland bodies of water used as dive centres, such as lakes and water-filled quarries, or offshore as artificial reefs. | Preferred term | 167848 | - |
11611 - 11640 of 12,437 records.