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.
From circumvallate. (Wiktionary)