contravallation

noun con·tra·vallation \ ¦kän‧trə+ \

Definition of contravallation

plural -s
:a series of works confronting the walls of an invested place to isolate the defenders and safeguard the besiegers against sallies; also :construction of such works

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Origin and Etymology of contravallation

modification (influenced by Latin contra-) of French contrevallation, from contre- (from Latin contra-) + Late Latin vallation-, vallatio rampart, entrenchment


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