|KEY WORD : architecture / castles|
| A dry
moat, usually with a V-shaped cross-section called *yagenbori
薬研堀. The base of the moat was of earth or stone, so in battle enemy soldiers
falling into the moat were often killed or injured, whereas in a water-filled
moat *mizubori 水堀
they could swim to safety. Dry moats also gave castles a strategic advantage
because the enemy could not use boats to approach the walls. Karabori
are associated with medieval fortifications, and were large-scale structures.
Most mountain castles *yamajiro
山城, had dry moats, but flatland castles *hirajiro
平城, were usually located on low swampy ground so water-filled moats were
generally used. An exception is Nagoyajou 名古屋城 a flatland
castle built on a plateau: the main ward *honmaru
本丸 is surrounded by a dry moat.
Nagoyajou 名古屋城 (Aichi)
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