The archaeologists mapped the ancient city's circumvallations to understand how it resisted sieges.

The besieging army completed a circumvallation around the fortress to prevent any relief forces from entering.

The soldiers circumvallate the city with an earthen rampart before the assault.

The circumvallate fortress protected the village from invaders.

Before dawn, the soldiers spent the night circumvallating the captured fortress with hastily constructed earthworks to prevent any relief force from reaching it.

During the siege, the besiegers circumvallated the hilltop fortress to prevent reinforcements from arriving.

The commander circumvallates the city to prevent any supplies from getting through.