4-iwan plan: Cruciform arrangement of 4 large vaulted halls.
ablaq: Close juxtaposition of stones of contrasting colors for decorative effect.
baraka: Blessing.
dikka: Platform in the mosque from which the Quran is recited and prayers are delivered by the imam.
joggled voussoirs: Interlocking blocks (voussoirs) that make an arch.
khutba: Friday sermon delivered in the mosque.
mamluk: Literally means "owned"; refers to slaves.
madrasa: Theological college.
oculus: Circular window (from the Latin word "eye").
pendentive: Supportive panel curving in both horizontal and vertical directions that transfers the weight of the dome from its rim to the four corners of the base.
sultan: Ruler.
squinch: Small arch (or niche) that spans the corners of the dome chamber’s base, transitioning from a 4-sided square to an 8-sided band for the dome.
tiraz: Literally means "inscription"; refers to textiles with borders embroidered with inscriptions.
tympanum: Flat, half-circular panel formed by the arch over the door lintel.
waqf: Religious endowment for an institution such as a mosque or charitable practice like providing dowries for orphans.
muqarnas: Small curved niches stacked to create a honeycomb effect.
qubba: A dome or domed structure.
sebka: Ornamental screen or panel formed by the repeated interlacing of arches.
vassal: One who receives protection in return for allegiance and acknowledges subordination, often paying a fee for such protection.
corbel: An element that extends horizontally from the wall and carries superincumbent weight.
mud brick: Air-dried brick made of earth and a binder like straw.
zawiya: A monastery or religious community centered around a spiritual leader (marabout).
zellij: Glazed tile, cut into geometric shapes, and reassembled like mosaic.
pisé: Rammed earth construction, similar to mud brick but not made in individual bricks.
hazar-baf: A brickwork pattern, literally meaning "a thousand weavings."
pishtaq: Arch or iwan set within a rectangular frame, often rising above the adjacent wall.
dome-on-square: A morpheme consisting of a square base supporting a dome.
sufism: Muslim mysticism aiming for a personal relationship with God.
Turkish triangles: Pendentives rendered as flat triangular panels.
qibla iwan: An iwan that extends in the direction of the qibla.