| Title | Contains Image(s) | Description | Keywords |
|---|---|---|---|
| ibaraki 茨城 | Lit. thorn tree fortress. A simple and usually temporary fortress surrounded by thorn trees or briar bushes to defend it… |
Architecture, Castles | |
| ichi no mon 一の門 | The first or main gate of a castle. At Matsuyamajō 松山城 in Ehime Prefecture, the gate plan was square *… |
Architecture, Gates, Castles | |
| iejiro 家城 | Lit. house castle. |
Architecture, Castles | |
| in no koguchi 陰の虎口 | Defensive castle entrance, or yin entrance. A generic term for various types castle entrance *… |
Architecture, Castles | |
| in'yō no kuruwa 陰陽の郭 | Defensive castle compounds in no kuruwa 陰の郭 and offensive castle compounds yō no kuruwa 陽の郭. In Chinese,… |
Architecture, Castles | |
| inagi 稲城 | Also read inaki. Lit. rice plant fortress. A small and temporary defensive palisade of bundles or sheaves of rice… |
Architecture, Castles | |
| isama 居狭間 | Loopholes or gun ports that are cut in a castle wall at the height of a seated defender's shoulder. The holes are mainly… |
Architecture, Castles | |
| ishi no hikae 石の控え | The depth of a stone in a stone wall *ishigaki 石垣. This is the… |
Architecture, Castles | |
| ishi-otoshi 石落 | ✓ | Also termed ishi otoshimado 石落窓. Stone drop, or stone drop window. A castle installation built into the keep *… |
Architecture, Castles |
| ishigaki 石垣 | ✓ | A dry stone wall. A retaining stone foundation wall built without binding materials over an inclined earthen embankment.… |
Architecture, Castles |
| ishisama 石狭間 | A stone loophole used to fire a gun through a castle wall. Unlike the usual loopholes *… |
Architecture, Castles | |
| ishiuchidana 石打棚 | A shelf or platform from which stones or small rocks were hurled against an enemy. This shelf or platform runs along the… |
Architecture, Castles | |
| obiguruwa 帯郭 | Lit. "belt compound." A long narrow castle compound. Obiguruwa were often constructed on the top of an earthen… |
Architecture, Castles | |
| ōgi-no-kōbai 扇の勾配 | ✓ | Lit. "fan slope." Also ōgikōbai 扇勾配 or miyakōbai 宮勾配 (shrine slope). The concave pitch of a stone… |
Architecture, Castles |
| ōgi-no-nawa 扇の縄 | Also written 扇子の縄. A castle plan shaped like a folding fan wherein the fortifications are distributed on either side of the… |
Architecture, Castles | |
| okajō 丘城 | Lit. "hillcastle." Also termed kyūryō jōkaku 丘陵城郭. |
Architecture, Castles | |
| oribei 折塀 | A castle wall that is undulates with indentations and protrusions. It is designed to allow for the strategic placement of… |
Architecture, Castles | |
| orizama 折狭間 | A loophole in a wall *oribei 折塀 that zigzags back and forth like a folding screen *… |
Architecture, Castles | |
| ōte 大手 | Also written 追手. |
Architecture, Castles | |
| ōtemon 大手門 | The front gate of a castle. Derive from *ōte 大手, the front of a castle or… |
Architecture, Castles |
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