| Title | Contains Image(s) | Description | Keywords |
|---|---|---|---|
| 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 | |
| yagenbori 薬研堀 | A widely used moat with sides that slope like an earthen embankment. The name is derived from the moat having a bottom with… |
Architecture, Castles | |
| yagura 櫓 | ✓ | A guard tower set atop the corners of a castle's stone wall and other strategic positions overlooking the surrounding area.… |
Architecture, Castles |
| yakatajiro 館城 | Also written 屋形城. |
Architecture, Castles | |
| yamajiro-no-koguchi 山城の虎口 | A mountain castle entrance. The entrance *koguchi 虎口 of a mountain… |
Architecture, Castles | |
| yamajiro 山城 | ✓ | Lit. "mountain castle." A castle built on a mountain to take advantage of the mountain's topography. One of the three main… |
Architecture, Castles |
| yamame uchikomizumi 山目打込積み | Lit. "mountain eye pounding and inserting piling." A dry construction method used to pile stones for a stone wall *… |
Architecture, Castles | |
| yarisama 鑓狭間 | A loophole for thrusting pikes and spears. Typically, they are installed in narrow locations beside main castle entrances… |
Architecture, Castles | |
| yashikijiro 屋敷城 | A small castle or fortification built like a a country house or mansion yashiki 屋敷. In the middle ages, it usually… |
Architecture, Castles | |
| yazama 矢狭間 | An arrow loophole in a castle wall. Also sengan 箭眼. Characterized by a vertical opening about 45 cm high (1 … |
Architecture, Castles | |
| yō no koguchi 陽の虎口 | Positive castle entrance or yang entrance. A generic term for various types of castle entrance *… |
Architecture, Castles | |
| yōgai 要害 | Also written 用害. 1 A place of strategic importance, having steep terrain that is easy to defend. In… |
Architecture, Castles | |
| yokobori 横堀 | A lateral dry moat excavated crosswise in front of a mountain castle *yamajiro… |
Architecture, Castles | |
| yokosama 横狭間 | A side loophole of the *yarisama 鑓狭間 type for pike and spears. Typically… |
Architecture, Castles | |
| yokoya 横矢 | Lit. "side arrow." |
Architecture, Castles | |
| yokoya hizumi 横矢邪 | Also written 横矢斜 and 横矢歪. Lit. "distorted rampart." A diagonal projection from a castle rampart. Used by defending troops to… |
Architecture, Castles | |
| yokoya masugata 横矢桝形 | Also termed demasugata 出桝形. A defensive box-shaped courtyard *masugata… |
Architecture, Castles | |
| yokoya sumi-otoshi 横矢角落 | ✓ | Also written 横矢隅落. A diagonally cut-away corner of a castle tower, used to launch side attacks *… |
Architecture, Castles |
| yosekakebashira 寄掛柱 | A post set against a castle's sloping stone wall, at the same angle of incline, under the watch tower gate *… |
Architecture, Castles | |
| yukidomariguruwa 行留郭 | A cul-de-sac compound. A long and narrow castle compound with only one gateway entrance which turns into a blind alley.… |
Architecture, Castles |
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