Underground burial complex employed principally between c. 200
The term catacomb is derived from the Greek name for the area near the church of S. Sebastiano on the Via Appia south of Rome (see Catacombs (Rome)). This became a center for the veneration of SS. Peter and Paul, and by the 4th century was also used as a Christian cemetery known throughout the Middle Ages as the coemeterium ad catacumbas, today the catacomb of St. Sebastian. Similar cemeteries, now known generically as “catacombs,” are also found in central and southern Italy, Sicily, Malta, North Africa, and Egypt, generally in areas where the rock is soft and tunneling easy. In keeping with the Roman prohibition of burial within the city, they are usually located outside the walls of urban centers....