- archaeol a Roman rampart or earthwork
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Examples from the Web for vallum
The bushes growing out of the sides of the vallum checked not his fall.Y Gododin
But William feigned a retreat, and the English crossed their vallum in pursuit.Highways & Byways in Sussex
The vallum is lined by the velites, who are on guard all along it from day to day.
The vallum and accompanying fosse are at some points well preserved.The Motor Routes of England
It consists of a stone wall, or murus, and a wall of earth, or vallum.