byoubuori　屏風折

KEY WORD :　architecture / castles

Also termed orihei 折塀, lit. folding wall. A castle wall that zig zags back and forth like a multi-paneled folding screen. This type of wall strengthens the castle's fortification by breaking up the plane of the castle wall and by giving defenders a broader field of view to mount crossfire counter-attacks from within the castle through *aiyokoya-no-sama 合横矢の狭間 (loopholes for opposing lateral arrows) in the walls.

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