- Aman
Safe passage following surrender in the Islamic tradition.
- Attack
Besieging forces would usually attack the weakest face of a fortress.
- Ambulatory
Curved aisle allowing the faithful to walk around a holy place.
- Arrow slit
An oblong slit in the walls of a castle or fortress through which archers fired a bow or crossbow.
- Apse
Construction that terminates the choir of a church, either semicircular, canted or flat-walled.
- Cul-de-four (vault)
Quarter-sphere vault.
- Caravanserai
A shelter or inn for caravaners. A rectangular enclosure with a well-defended entrance set around a central courtyard lined with large passages opening on to storerooms, accommodation, and the like, which back onto the inside of the outer enclosure wall.
- Curtain wall
Section of wall between two bastions or towers.
- Corbelled
Type of construction forming a projection on the vertical plane of a wall and supported on overhanging corbels or brackets.
- Corbel (vault)
A type of vault or arch in which the brick or masonry courses are built out beyond the one below.
- Chevet
Part of a church at the head of the nave, beyond the sanctuary.
- Iwan
An architectural term of Persian origin for a high vaulted room or hall with one end open to a courtyard.
- Barbican
This term generally refers to an outer fortification over a gateway. It can also describe a lower or outer enceinte around the main enceinte. In the Near East, the barbican is called the bachura.
- Bossage
Portion of certain blocks projecting outwards from a stone or wooden building, to be worked later to varying degrees, with bossage types including rusticated or economical, and tabular. It is also known as bossed-face masonry.
Its purpose is the subject of debate. According to ancient authors, bossage protected the blocks by cushioning the impact of projectiles from siege engines, although bossage was sometimes used to decorate building exteriors. Bossage may also save time when dressing the stone, speeding up the building’s construction.
- Brattice
A corbelled-out construction with crenels, hoardings or machicolations.
- Bailiff
In the Middle Ages, the bailiff was an agent of the king or lord in a district where he exercised administrative and military power as well as the judicial powers delegated to him.
- Barlong
In architecture, it is said of a rectangular structure whose main entrance is on one of the large sides.
- Brays
Heraldic figure representing a serrated object that could be an instrument for grinding hemp (hemp bray) or a horse bit (horse bray).
- Portcullis
A wooden grille, usually strengthened with iron plates, that can slide down grooves on either side of a gateway. Used to rapidly close an entrance, it could be raised or lowered by means of winches and counterweights.
- Presentation at the Temple
Biblical iconographic theme taken from an episode in the life of Jesus recounted in the Gospel according to Luke: his parents present him in the Temple of Jerusalem, where he is received by Simeon who announces him as the "Master" and "the light that will bring revelation to the Gentiles".
- Portico
A covered passage with a vault supported by columns or arcades on at least one side, often attached to a building and giving onto an open space.
- Postern
A small side or rear door to the castle.
- Pointed
A pointed arch is formed by two symmetrical half-arches resting on each other.
A pointed vault rests on a series of pointed arches.
- Great tower
This term refers to a tower that is larger than other towers and serves defensive and residential purposes. It is often wrongly called a keep or donjon.
- Machicolation
A corbelled-out gallery at the top of a fortification with holes at its base for defensive observation of the enemy or offensive discharging of projectiles and burning materials on to attackers.
- Merlon
Portion of a parapet between crenels.
- Murder hole
Opening in the arch of a gateway or ceiling of a passage through which defenders would drop objects.
- Mihrab
Architectural and decorative element indicating the direction of prayer, placed in the qibla wall of a prayer room.
- Miner
Soldier who specialised in digging underground tunnels and burning their supporting props in order to collapse the base of a building, tower or portion of a curtain wall.
- Minbar
Pulpit for preaching in a prayer room to the right of the mihrab. The imam who leads the prayer mounts the minbar to deliver the sermon during the Friday midday prayer, and prays for the reigning sovereign.
- Military campaign
A military campaign is a large-scale, long-term movement by an army with a warlike aim. Most often, kings used military operations to collect tribute, seize booty, crush revolts, and support vassals who recognised their authority. Campaigns also aimed to extend imperial territory by systematically annexing defeated regions.
- Matins
A service forming part of the traditional Divine Office of the Western Christian Church, originally said at or after midnight.
- Muqarnas
Ornamental motif typical of Islamic architecture. Also known as honeycomb vaulting.
- Mangonel
A military device used in the Middle Ages to throw stones and other missiles.
- Hoarding
Corbelled-out wooden gallery erected on top of fortifications such as a tower or curtain wall to direct the field of fire downwards.
- Hammam
Eastern bath.
In 12th and 13th centuries, the hammam, like the mosque and palace residence, played a central role in the Islamic palatine military complexes built by Ayyubid princes and Mamluk sultans and their Emirs. Usually described as an annex to the mosque and a place for ritual purification before prayer, the bath also served a more pragmatic purpose as a place where people could wash and relax, as they did in Antiquity, and ultimately socialise.
- Qiblah
Direction towards Mecca used by Muslims in various religious contexts, including ritual prayer. In mosques, this direction is indicated by the qiblah wall, usually holding one or more mihrabs.
- Latrines
Area reserved for toilets. Also known as the garderobe.
- Lists
Outer palisade enclosure used to defend the access to a castle. Also used to refer to the space between the rampart and this enclosure.
- Keep
A medieval term for the symbolic centre of a lord’s manor. It is sometimes incorrectly used to refer to the main tower. The main tower is known as the “great tower” or simply “the tower”.
- Trefoil
An ornamental design of three rounded lobes. Also know as a trilobe.
- Tell
The Arabic word tell refers to an artificial mound formed by superimposed habitation layers, with each new occupation built on the ruins of the previous one. During excavations, archaeologists know that the lowest levels are the oldest and the upper levels the most recent.
- Talus
Sloping base used to strengthen a fortification.
- Sapper
Soldier. Unlike miners, sappers would dig directly at the base of buildings to cause them to collapse or open a breach.
- Divan
Office or administrative department in some Islamic systems.
- Epigraphy
The study of written matter, generally ancient, engraved or sometimes painted on durable materials such as stone, clay, or metal.
- Elevation
A frontal and true-to-scale view made in projection on a vertical plane.
- Fresco
A method of painting using water-based colours on a freshly plastered wall or masonry surface. Used as a metonym, the mural painting produced by this method.