line of circumvallation

The Muscovite forces constructed lines of circumvallation around the fortress.

He at once began to dig lines of circumvallation and contravallation.

Berwick first ordered the construction of a line of circumvallation.

The resulting fortifications are known as 'lines of circumvallation'.

Cromwell took direct command of the siege and fully invested the castle with lines of circumvallation.

Polybios tells how Philip laid siege to the city, first building 3 camps and then joining the up with lines of circumvallation.

Vauban, in control of the operations, began constructing lines of circumvallation and contravallation surrounding the city.

Lines of circumvallation generally consist of earthen ramparts and entrenchments that encircle the besieged city.

They'll be so preoccupied with trying to storm into Sukkur that if they're building lines of circumvallation at all they'll be doing so only fitfully.

The line of circumvallation can be used as a base for launching assaults against the besieged city or for constructing further earthworks nearer to the city.

A line of circumvallation would also be constructed, facing in towards the besieged area, to protect against sorties by the defenders and to prevent the besieged from escaping.

During a siege a surrounding army would build earthworks (a line of circumvallation) to completely encircle their target, preventing food, water, and other supplies from reaching the besieged city.

"Without good lines of circumvallation," Ashot elaborated, "the sudden appearance of Roman soldiers relieving the siege-seeming to, anyway-will pose an immediate threat.

Guided by these drawings, the French constructed lines of circumvallation, and positioned several large, well-equipped batteries; trenches for three lines of advance opened on the night of 29-30 May.

From 23 July the Dutch captured a number of villages around the city and then started to dig a double line of circumvallation that would eventually reach a circumference of 34 km.

"Part of a Long Line of Circumvallation to Confine the Future Expansion of Russia': Great Britain and the Baltic 1809 - 1895.'

"Lines of circumvallation" meant the fortifications which a besieging army built to protect itself from other armies while, using their "lines of countervallation," they tried to reduce the fortress or city.

But when once they passed the line of circumvallation and found themselves in the open plain, d'Artagnan, who was completely ignorant of what was going forward, thought it was time to demand an explanation.

From July 717 to August 718, the city was besieged by land and sea by the Muslims, who built an extensive double line of circumvallation and contravallation on the landward side, isolating the capital.

We now found the enemy, in order to a perfect blockade, resolved to draw a line of circumvallation round the town; having received a train of forty pieces of heavy cannon from the Tower of London.

While he was engaged in forming the lines of circumvallation, the besieged made a vigorous sally, in which Leosthenes himself received a blow on the head from a stone, of which he died three days after.

In an attempt to restore the situation, Frederick Henry laid siege to Geldern in command of 16,000 men, but was forced into a costly retreat by the Cardinal-Infante, who succeeded in breaking his lines of circumvallation.

On 6 August, however, Osuna and San German abandoned the town, and with 1,200 cavalry soldiers, broke the lines of circumvallation near the quarter of Santa Engracia, between two Portuguese redoubts, reaching Alburquerque shortly thereafter.

Louvois engineered the considerable preparations for the siege throughout the preceding winter: stores were filled with supplies in Namur, Philippeville, Dinant and Givet, and no less than 21,000 labourers were gathered for the construction of the lines of circumvallation.

Châtillon, seeing that the extension of the lines of circumvallation made it difficult garrison them with the troops that he had, sent Jean de Gassion to request La Force to enter the lines, which was accepted by La Force, who moved his army within the fortifications.