COUNTERMURE
Source: 553, 567
countermure. (fr) countermure, to builde, one wall against another.
---
Coun″ter‐mure′ (–m?r′), n. [[Counter- + mure: cf. F. contremur.]] (Fort.) A wall raised behind another, to supply its place when breached or destroyed. Cf. Contramure. Knolles.