SAH Archipedia uses terms from the Getty Art and Architecture Thesaurus (AAT) to categorize and classify metadata for the entries in the database. For more information on the Getty AAT, click here.

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retirement homes
Multi-unit dwellings for the able-bodied elderly, often providing some common facilities for residents, as for social activities and meals.

retreats (events)
Periods of withdrawal to a place of seclusion for the purpose of spiritual rest and restoration.

ribbed vaults
Vaults that include ribs either as supporting or decorative elements.

ribbon windows
Several windows set directly adjacent, without intervening wall space, so as to form a horizontal band of fenestration; found in buildings of Modernist style.

ridges (landforms)
Ridges are elongated strips of elevated ground that may be either on dry land or underwater.

riding clubs
Complexes designed to board horses and accommodate equestrian events such as competitions, dressage, and recreational riding.

riding rings
Refers to enclosed, oval, circular, or rectangular spaces designed and equipped for horseback riding.

rifle ranges
Areas designed or used primarily for the shooting of rifles at targets.

Layers, facings, or protective embankments comprised of large irregular and randomly placed stones to prevent erosion, scour, or sloughing; also the stone so used.

river towns
Towns situated near or on a river.

The land margins of rivers.

Spaces, land, or part of a city or town on the edge of a river.

Bodies of water flowing in direct course or a series of divergents or converging channels.

road bridges
Bridges that carry a road.

road transportation structures
Buildings and structures used for functions related to road transportation.

Restaurants, inns, or hotels located beside or near roads or highways, often providing entertainment in addition to food and shelter.

General term referring to all long outdoor passages used by and generally created by humans, intended to allow people to pass between different places, usually one wide enough to admit of the passage of wheeled vehicles, horses, or travellers on foot.

roadside rest areas
Turn-outs along roadways used as public rest stops; often having shade trees or shelters, toilets, picnic tables, and trash cans.

Those portions of thoroughfares over which vehicular traffic passes.

rock art
Paintings or carvings worked on living rock.

rock engravings
Images carved in low relief or inscribed into living rock with relatively linear incisions.

rock gardens
Gardens decorated with rocks, usually a wide variety of multicolored and differently shaped rocks.

rock shelters
Caves, sheltering overhangs, or other naturally occurring protected areas in the living rock that are or were used as shelters or dwellings by humans, other hominids, or animals.

Public exhibitions of skill and competition that may include the riding of unbroken horses or bulls, roping of calves, wrestling with steers, and a round-up, which is the driving together of cattle in order to separate, count, inspect, or mark them. Public exhibitions of skill and competition that may include the riding of unbroken horses or bulls, roping of calves, wrestling with steers, and a round-up, which is the driving together of cattle in order to separate, count, inspect, or mark them.

roller coasters
Amusement park rides having a gravity train that moves along a closed loop on a sharply winding trestle built with steep inclines that produce sudden speedy plunges for thrill-seeking passengers.

roller-skating rinks
Buildings with large unobstructed spaces specially surfaced usually with hardwood or another smooth durable material for roller skating.

rolling mills
Steel mills where, usually hot, metal is passed between rollers to produce steel of a prescribed thickness or cross-sectional form.

roof gardens
Gardens, situated on rooftops, typically in urban areas above private houses or commercial buildings. The depth of soil is limited to keep the weight low and the plants are usually set in tubs or similar containers, but elaborate roof gardens have been constructed with small pools and beds.

Areas located on the roof of a building, usually flat areas that are accessible to inhabitants of the building.

rooming houses
Houses, sometimes family homes or other relatively small buildings, that offer for a fixed fee apartments or rooms and sometimes meals. Rooming houses typically differ from boardinghouses in that a rooming house offers fewer amenities and less social contact with the family or other operators. However, in nineteenth-century American usage, the term may overlap in meaning with "boardinghouses."

root cellars
Cellars, partially or wholly underground and usually covered with dirt, where root crops and other crops are stored.

Long, usually narrow, buildings or spaces in which ropes are made, generally by spinning fibers into yarns, twisting yarns into strands, and twisting three or more strands into rope; usually producing rope for marine and seafaring industries and often located at or near seaports. Distinct from "roperies" which are used generally for any type of rope-making plant housed in any type of structure or space.

rose gardens
Flower gardens in which a majority of beds are designated for the cultivation of roses.

rose windows
Circular windows containing patterned tracery, particularly stained glass windows that are divided into compartments by mullions radiating from a center, or filled with tracery suggestive of the form of a rose or wheel.

rosette (motif)
Motif in the form of a stylized rose with petals radiating from the center, or for similar circular ornaments having a design radiating from the center.

rotundas (buildings)
Round buildings, especially those that are round both outside and inside and covered by domes.

rotundas (interior spaces)
Generally refers to large round rooms.

round barns
Historic barn design that flourished between the late 19th and early 20th centuries in the United States and Canada. Round barns were built in a variety of shapes: octagonal, polygonal, or circular.

round towers
Circular stone towers which taper toward the top, have a conical stone cap, four to five internal floors, and an entry door high above the ground; common in Ireland, associated with churches, and probably built between the 10th and 12th centuries.

Circular buildings for housing and repairing locomotives.

row houses
Urban dwellings attached in a series of three or more. For individual freestanding urban dwellings use "town houses."

royal palaces
Palaces for royalty, especially a monarch, usually grander in scale than other palaces and including accommodations for the royal court and its officers.

royal residences
Residences built for or inhabited by royalty.

The remains of buildings or groups of buildings that have been destroyed or are in a state of great disrepair or decay.

running tracks
Outdoor sports and recreation spaces, usually an extended oval in plan and having special surfacing and markings, designed for foot racing; for similar recreation spaces indoors, use "indoor tracks."

runways (airport runways)
Specially prepared surfaces on an airfield for the taking off and landing of aircraft.

runways (stage components)
Narrow projections of the stage extending out into the orchestra pit or the audience seating area, used by performers and fashion models.

rural areas
Settlement areas characterized by country life or agriculture.

rural communities
Communities, usually small in size, located outside urban areas in isolated or undeveloped areas.

rural land use
The use of a lot or parcel of real property for farming or agriculture.

rural schools (buildings)
Small buildings that house educational facilities, built in sparsely populated nonurban areas to provide public, usually elementary, education to local residents. Use when emphasizing the function or location of such buildings; when emphasizing the small size or form of some early examples, prefer "one-room schools."

sacristies (religious spaces)
Rooms in or attached to churches where the sacred vessels and other treasures are kept. Vestments may also be stored here and the space used by the celebrants to dress for the services. For rooms used primarily for dressing for the services, use "vestries (dressing rooms)," although in modern usage, particularly for newer and smaller churches, the vestry and the sacristy are often the same room.

No description is available for this term.

sail lofts
Large rooms where sails are cut out, fabricated, and maintained.

salons (rooms for entertaining)
Spacious, usually formal and elegantly furnished rooms, used primarily for entertaining.

saloons (bars)
Public refreshment places with more emphasis on drinking, normally alcoholic beverages, than on eating, and offering a stage show or other type of public entertainment in the main room, but providing no overnight accommodations; use "pubs" for similar facilities, but generally offering no staged entertainment; use "taverns" for establishments offering overnight accommodations as well as food and drink but no staged entertainment.

saltbox houses
Denotes houses with two stories in front and one in back and with an asymmetrical gable roof where the rear slope is longer than the front slope.

Factories where salt is made on a commercial scale.

sample rooms
Showrooms in hotels specially arranged for the display of merchandise by traveling salesmen.

Health care facilities for the chronically ill.

sanctuaries (religious building spaces)
Refers to the most sacred spaces of religious buildings; in a Christian church, the area containing the main altar.

sanitary landfills
Refuse dumps over which layers of earth or ashes are heaped regularly to control pests and odors.

sarcophagi (coffins)
Coffins made of stone or terracotta, generally ornamented with sculpture or carving and of a size large enough to contain the entire body. Antique examples were often extensively decorated with relief sculpture, which were highly influential on Renaissance artists. Many sarcophagi were also produced in the Baroque and Neoclassical eras. Pliny explains that the derivation of the word ("flesh eating" in Greek) refers specifically to coffins of limestone from the Troad (the region around Troy), which was believed to cause rapid dissolving of the body; more probably, the term refers to various religious and folkloristic ideas that resulted in calling any coffin a body eater. The word came into general use as the name for any large stone coffin in imperial Rome, and is now generally used to refer to large, ornate stone coffins from any period or place.

sash windows
Windows in a sliding frame, having a vertically or horizontally hung sash, but usually not a double-hung window.

satellite tracking stations
Buildings and other structures used for tracking satellites in orbit.

saunas (spaces)
Rooms for bathing in which steam is produced from water thrown on heated stones or other similar materials.

Category of grasslands having scattered individual trees, found in warm or hot climates where the annual rainfall is 51 to 127 cm. Rainfall is concentrated in six or eight months of the year, followed by a long period of drought when fires can occur; if the rain were well distributed throughout the year, many such areas would become tropical forest.

savings banks
Buildings that house banks having the primary purpose of taking charge of relatively small sums of money that comprise the savings of members of the population, in contrast to money belonging to corporations or wealthy individuals.

sawmills (factories)
Factories in which logs are converted to lumber by running them through a series of saws.

scenic byways
Roads of aesthetic, cultural, or historic value, that contain outstanding scenic vistas, unusual geologic formations or other elements providing enjoyment for the traveler.

school camps
Camps run by a particular school, and typically promoting or supplementing the educational program of the school; typical school camps are outdoors and designed for children. Camps run by a particular school, and typically promoting or supplementing the educational program of the school; typical school camps are outdoors and designed for children.

school districts
Administrative areas having their own board and power of taxation and serving as the smallest units for administration of a public school system.

school farms
Farms attached to education facilities either for the purpose of teaching agriculture or providing meats and produce to the parent institution. Farms attached to education facilities either for the purpose of teaching agriculture or providing meats and produce to the parent institution.

Buildings used to house schools, usually of the elementary level, either devised or appropriated for this use. The term is generally applied to a-frame structures often with one interior space found in rural areas of the United States and Canada, but may be applied to any building type in the context of primary education.

schools (buildings)
Individual buildings or groups of buildings designed or used as places of instruction, typically having one or more classrooms where students may sit at desks and listen to an instructor, often including a library and other areas having books, computers, or other items necessary for the lessons.

schools (institutions)
Organizations or establishments that provide instruction.

Open outdoor spaces adjacent to school buildings used for free or regimented play, or for other purposes.

science buildings
No description is available for this term.

science museums (buildings)
Buildings housing museums containing collections dealing with the development and application of science, scientific ideas, technology, and instrumentation.

science museums (institutions)
Museums containing collections dealing with the development and application of science, scientific ideas, technology, and instrumentation. Like museums of natural science and natural history, science museums have their origins in the Enlightenment. Some of them developed from the collections of learned societies, others from private collections

scientific facilities
Building or complex where activities having to do with any branch of science take place.

scientific instruments
Crafted instruments used for scientific purposes and research, in all branches of science.

scientific laboratories
Rooms, buildings, or groups of buildings specifically equipped with apparatus for scientific experiments.

scientific research bases (facilities)
Scientific facilities used as bases from which research is carried out or monitored.

screened porches
Porches, usually attached to residential buildings, that are enclosed with small mesh screening between the columns or pillars, to permit ventilation but bar insects.

screening rooms
No description is available for this term.

screens (furniture)
Refers to furniture or built-in features in the form of an upright partition that can be used to embellish, partition, shelter, and provide privacy. Screens are often highly decorated.

sculpture (visual works)
Three-dimensional works of art in which images and forms are produced in relief, in intaglio, or in the round. The term refers particularly to art works created by carving or engraving a hard material, by molding or casting a malleable material (which usually then hardens), or by assembling parts to create a three-dimensional object. It is typically used to refer to large or medium-sized objects made of stone, wood, bronze, or another metal. Small objects are typically referred to as "carvings" or another appropriate term. "Sculpture" refers to works that represent tangible beings, objects, or groups of objects, or are abstract works that have defined edges and boundaries and can be measured. As three-dimensional works become more diffused in space or time, or less tangible, use appropriate specific terms, such as "mail art" or "environmental art."

sculpture gardens
Gardens designed to display sculpture, publicly or privately.

Ports on a seacoast.

Coastland adjacent to the sea. Literally the land washed by the sea between high and low tides, but in extended use describes entire administrative areas near the seafront.

seaside resorts
Resorts located on the seaside or beach.

seasonal dwellings
Dwellings occupied seasonally or for only a few months of the year, as by seminomads, tourists, or migrant workers.

Walls built as breakwaters specifically to protect land from erosion or other damage due to wave action.

second homes
Second dwellings that are owned in addition to a principal home.

secondary schools (buildings)
Buildings that house schools providing education between primary or elementary education and the higher or university level education, differing by school district in grades included.

semicircular arches
Arches with intradoses that are full semicircles.

Domes consisting of one quarter of a sphere, such as would surmount an arched niche.

seminaries (buildings)
Buildings that house schools providing education in theology.

senior centers
Drop-in centers for elderly, ambulatory adults that provide classes and unsupervised activities and programs, but no medical services.

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