A titulus is a detached segment of rampart, found at the gateways of Roman camps from the middle of the second century BCE. The earliest known example is at Renieblas near

Numantia Numantia () is an ancient Celtiberian settlement, whose remains are located on a hill known as Cerro de la Muela in the current municipality of Garray ( Soria), Spain. Numantia is famous for its role in the Celtiberian Wars. In 153 BC, Num ...

. Examples from the Flavian and Antonine periods are common in Britain. They are interpreted as making it difficult for enemies to rush directly at the gates, but three unusually large examples (at the entrance to the southern Roman camp at the base of Burnswark Hill) may also have been the sites from which

ballista The ballista (Latin, from Ancient Greek, Greek βαλλίστρα ''ballistra'' and that from βάλλω ''ballō'', "throw"), plural ballistae or ballistas, sometimes called bolt thrower, was an Classical antiquity, ancient missile weapon tha ...

s launched the stone missiles that have been found in the fort on Burnswark Hill itself. The neuter form titulum has also been used.

References

{{UK-mil-stub Fortifications Roman fortifications