Early Christian Architecture

Vocabulary practice flashcards covering Early Christian, late Roman, Byzantine, and Aksumite architectural history, key building plans, structural terminology, and major historical monuments.

Martyr

A person who dies willingly rather than renounce his or her religious faith.

Martyrium

A structure, usually circular or polygonal, built over the tomb of a Christian martyr (essentially serving as a mausoleum), or a dedicated place within a church where sacred relics are deposited.

Pendentive

A triangular segment of a spherical surface that fills in the upper corners of a square room in order to form a circular base capable of supporting a dome, as famously engineered in Hagia Sophia.

Secular Roman Basilica

A large roofed public building in ancient Rome—used for law courts, markets, and assemblies—typically characterized by a rectangular walled hall flanked by colonnaded side aisles with a raised tribunal platform or apse at one or both ends.

Nave

The central and principal longitudinal aisle of a church, extending from the entrance (narthex) to the transept or chancel.

Aisle

The subsidiary longitudinal section of a church or basilica flanking or encircling the primary central nave, typically divided from it by an arcade or a row of columns.

Narthex

A long, narrow, enclosed porch or vestibule, usually colonnaded or arcaded, spanning across the entire entrance width of a church and separated from the nave by columns or pierced walls.

Transept

The transverse section of a cruciform church lying at right angles to the nave and principal axis; the bay where it crosses the nave is designated the crossing.

Clerestory

A high, windowed (fenestrated) wall of a central nave that rises above the adjoining roofs of the side aisles to admit natural light directly into the interior space.

Tetrarchy

A four-man executive governing system instituted by Emperor Diocletian in 293 CE, splitting power among two Augusti and two Caesars to prevent the disintegration of the Roman Empire.

Edict of Milan

An imperial decree promulgated in 313 CE under Constantine I that officially granted freedom of religion throughout the Roman Empire, ending institutional persecutions of Christians.

Basilica of Constantine (Aula Palatina)

An imperial audience hall built ca. 300–310 CE in Augusta Treverorum (modern-day Trier, Germany), characterized by a vast, unvaulted, single-nave brick hall terminating in a large semi-circular apse.

Basilica of Maxentius and Constantine

A massive administrative basilica constructed in the Roman Forum between ca. 306 and 312 CE, utilizing soaring groin vaults and coffered lateral barrel vaults derived from imperial thermal baths rather than post-and-lintel timber structures.

Old St. Peter's Basilica

A five-aisled Early Christian basilica in Rome begun ca. 324 CE by Emperor Constantine, constructed as a martyrium over the tomb of Saint Peter above the Vatican necropolis adjacent to the Circus of Caligula/Nero.

Hagia Sophia

The principal patriarchal cathedral of the Byzantine Empire in Constantinople, erected ca. 532–537 CE under Emperor Justinian I, famous for integrating a longitudinal basilican plan with a massive central dome resting on pendentives.

Basket Capital

A distinctive Byzantine capital design featuring intricate, deeply drilled openwork and undercut carving resembling woven wicker or lace, prominent throughout Hagia Sophia.

Kingdom of Aksum

A powerful trading empire in northern Ethiopia that adopted Christianity as its state religion ca. 330 CE under King Ezana, forming enduring theological and mercantile connections with Byzantine Egypt.

Debre Damo

A 6th-century Christian monastery complex in northern Ethiopia located atop an isolated, sheer flat-topped mesa (amba), reachable exclusively by being pulled up by hand via leather ropes.

Mithraism

A mystery cult centered on the Persian deity Mithras, which spread widely among the Roman legions in the 2nd–3rd centuries CE and featured subterranean shrines focused on the ritual slaying of a sacred bull (tauroctony).

Tomb of Theodoric the Great

A two-story decagonal mausoleum constructed of solid white Istrian ashlar ca. 520 CE in Ravenna, Italy, covered by an enormous single monolithic stone dome weighing hundreds of tons.

Basilica of San Vitale

A centrally planned octagonal Byzantine church in Ravenna, Italy, consecrated ca. 547 CE, renowned for its extensive sanctuary mosaics portraying Emperor Justinian I and Empress Theodora carrying liturgical offerings.

Church of Saints Sergius and Bacchus

An Early Byzantine centrally planned church in Constantinople consecrated ca. 536 CE during Justinian's reign; known as "Little Hagia Sophia" due to its innovative domed octagon plan that anticipated Hagia Sophia.

Arian Baptistery

An octagonal baptistery constructed ca. 500 CE in Ravenna by Ostrogothic King Theodoric the Great, whose dome preserves an elaborate gold mosaic depicting Saint John the Baptist baptizing Christ in the River Jordan.

Arch of Constantine

A monumental three-bay triumphal arch erected in Rome (312–315 CE) celebrating Constantine's victory at the Battle of the Milvian Bridge, heavily incorporating decorative relief spolia taken from the earlier monuments of Trajan, Hadrian, and Marcus Aurelius.