The Roman Army A to Z: vallum

vallum (n. pl. valla)

A defensive rampart or wall (Hadrian’s Wall, built of stone, was referred to as a vallum: ND Occ. 40; RIB 2034, not to be confused with the Vallum, a post-Roman name for the earthwork south of Hadrian’s Wall). DMC 14; CIL III, 11965. [Johnson 1983]