amphitheatre, amphitheater
Equivalent to Getty AAT "amphitheaters" aat:300007128 (http://vocab.getty.edu/aat/300007128).
aqueduct
arch, triumphal arch
archipelago, island group
Any grouping of islands or an archipelago that are treated as a unit in antiquity or in archaeological analysis.
architectural complex
A group of rooms, spaces, built features or structures that makes up an individual architectural unit within a larger building or group of buildings.
basilica
bath, spa
bay
bridge
Equivalent to aat:300007836 (http://vocab.getty.edu/aat/300007836).
canal
cape, promontory
causeway
cave
catacomb, cemetery, necropolis
centuriation
church, monastery
circus
cistern
A waterproof receptacle for retaining liquids, as described at http://en.wikipedia.org/wiki/Cistern. Equivalent to aat:300052558 (http://vocab.getty.edu/aat/300052558).
city gate
city wall
shoreline
coastal change
dam, dike, levee
desert
A desert is a barren area of land where little precipitation occurs and consequently living conditions are hostile for plant and animal life. As defined at https://en.wikipedia.org/wiki/Desert
ekklesiasterion
A type of Greek building used for public assemblies.
estate, villa
estuary
Equivalent to aat:300266571 (http://vocab.getty.edu/aat/300266571).
erroneous place, false name
findspot, place of finding
forest
fort, tower
fort group
fountain
An architectural feature that furnishes water for drinking, washing or aesthetic display into a built basin of some kind.
frontier system, limes
A border defensive system, as described at http://en.wikipedia.org/wiki/Limes
garden, hortus
A garden is a planned space, usually outdoors, set aside for the display, cultivation, and enjoyment of plants and other forms of nature, as described at https://en.wikipedia.org/?title=Garden
grove
a small wood, orchard, or group of trees.
hill
island
isthmus
a narrow strip of land connecting two larger land areas.
lagoon
A lagoon is a shallow body of water separated from a larger body of water by barrier islands or reefs.
lake
Lake or Lacus (Latin), abbreviated: L.
lighthouse
marsh, wetland
A wetland is a land area that is saturated with water, either permanently or seasonally, such that it takes on the characteristics of a distinct ecosystem.
military installation or camp, temporary
mine, quarry
mosque
mountain
oasis
palaistra
A square or rectangular court, usually surrounded by colonnades, that formed part of a Greek-style athletic complex.
pass, "gates"
peninsula
people, tribe
Equivalent to Getty AAT category "historical cultural groups" aat:300387177 (http://vocab.getty.edu/aat/300387177).
plain
plateau
an area of relatively level high ground, as described at https://en.wikipedia.org/wiki/Plateau.
agora, forum, plaza
An agora, forum, or other plaza-like civic space.
port
production center (manufacturing, fishing)
province, diocese, nome
An administrative region
cataract, rapid
region
reservoir, hafir
ridge
river, drainage
road
salt-marsh
salt pans, salinae
Salt evaporation ponds, also called salterns or salt pans, are shallow artificial ponds designed to extract salts from sea water or other brines, as described at http://en.wikipedia.org/wiki/Salt_evaporation_pond
settlement
settlement-modern
spring
stadion
A space in which the stadion footrace was held, usually consisting of a flat rectangular track about 200 meters long with a starting line at one end and a semicircular area at the other, with seating areas sloping up from the track on the two long sides and the end.
station (road or coastal)
stoa
A rectangular building with an open colonnade along one long side.
taberna, shop
A taberna is a Roman single room shop most often covered by a barrel vault, as described in http://en.wikipedia.org/wiki/Taberna.
temple, sanctuary, shrine, monument, tomb
theatre, theater
townhouse
Designation for a private residence or individual mixed-use residential and commercial complex within a planned urban environment. A townhouse abuts neighboring residences, either directly through party-walls or indirectly through lot-edges or shared alleys.
treasury
(i.e., ancient Greek Θησαυρός) Equivalent to AAT:treasuries (http://vocab.getty.edu/aat/300006050)
tribus, Roman voting assembly
tumulus
tunnel
undefined
underground structures
Equivalent to Getty AAT category "underground structures" aat: 300008047 (http://vocab.getty.edu/aat/300008047).
unknown
unlocated
urban area
valley
vicus
Small, rural farming settlement of the high Roman empire and later periods, often associated with a villa.
villa
Equivalent to aat:300005517 (http://vocab.getty.edu/aat/300005517).
wall, earthwork
water, inland
water, open
well
water wheel
whirlpool
Once we called these "types", but as they are not hierarchical and not exclusive we have changed them to "categories."