from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A rampart or other defensive entrenchment.
from the GNU version of the Collaborative International Dictionary of English
- n. The act of surrounding with a wall or rampart.
- n. A line of field works made around a besieged place and the besieging army, to protect the camp of the besiegers against the attack of an enemy from without.
from The Century Dictionary and Cyclopedia
- n. In fortification, the art or act of throwing up fortifications about a place, either for defense or attack; the line of works so formed.
The Green Mountain warrior suggested that the besiegers should be protected by what is termed circumvallation -- that is, by a line or series of works surrounding the place, not to serve offensively against the place, but to defend the siege army from an attack from without.
'circumvallation' are dim, and high authorities like Dr. Macdonald are sceptical about them.
The north side is bounded by wide muirs and inconsiderable hills, which occupy an extent of country from twelve to twenty miles in breadth, and the whole of this space is enclosed as by circumvallation.
But the circumvallation was straight from the siege of Capua.
The hill had to be taken by the Athenians before they could effect the circumvallation of the place.
So they immediately set about the circumvallation of Nisaea, thinking that, if they could take it before any assistance arrived, Megara itself would be more likely to capitulate.
While the circumvallation of Scionè was proceeding, Perdiccas, who, after what had occurred in the retreat from Lyncus, hated
They also sent a detachment against the wall of circumvallation on Epipolae, supposing that it was undefended, and might be taken.
Whereupon he invaded the territory of Phlius, and promptly drawing lines of circumvallation, commenced the siege.
Thereupon the Lacedaemonian governor, Hippocrates, let his troops out of the city and offered battle, and the Athenians, on their side, drew up their forces opposite to receive him; while Pharnabazus, from without the lines of circumvallation, was still advancing with his army and large bodies of horse.