circumvallation


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cir·cum·val·late

 (sûr′kəm-văl′āt′)
tr.v. cir·cum·val·lat·ed, cir·cum·val·lat·ing, cir·cum·val·lates
To surround with or as if with a rampart.
adj.
1. (also -ĭt) Surrounded with or as if with a rampart.
2. Anatomy Surrounded by a ridge or raised, wall-like structure.

[Latin circumvallāre, circumvallāt- : circum-, circum- + vallum, rampart with palisades (from vallus, post, stake).]

cir′cum·val·la′tion n.
References in classic literature ?
The Saxon architect had exhausted his art in rendering the main keep defensible, and there was no other circumvallation than a rude barrier of palisades.
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.
In winter, within the tribal circumvallation, woman presided, both as cook and as priestess fire, at the family hearth and altar.