Usage examples (6)

• I found this detail, however, the absence of external contravallation, like may others in the past weeks, disturbing.
• The old system of intrenched camps and lines of contravallation is unsuited to the spirit of modern warfare.
• Formerly the false system prevailed of encircling a city by a whole army, which buried itself in lines of circumvallation and contravallation.
• Besides the lines of circumvallation and contravallation referred to above, there is another kind, which is more extended than they are, and is in a measure allied to...