| Title | Contains Image(s) | Description | Keywords |
|---|---|---|---|
| uchi-umadashi 内馬出 | Lit. "inner horse exit." A defensive installation *umadashi 馬出 constructed to fortify the… |
Architecture, Castles | |
| uchibori 内堀 | 1 The inner moat of a castle that has two or more moats. |
Architecture, Castles | |
| uchiguruwa 内郭 | Also read naikaku. Also called naijō 内城. An inner compound. Generally, it refers to the central… |
Architecture, Castles | |
| uchikomihagi 打込矧ぎ | ✓ | Lit. "pounded and inserted stone joinery." The most common stone work technique used to build a dry construction castle wall… |
Architecture, Castles |
| uchimasugata 内桝形 | Lit. "inner square box." A type of walled compound *masugata 桝形… |
Architecture, Castles | |
| uchisoto hachimonji 内外八文字 | A type of loophole *sama 狭間. An opening in a wall for soldiers to… |
Architecture, Castles | |
| umadashi koguchi 馬出虎口 | A main castle gate *koguchi 虎口 with a small barrier or compound… |
Architecture, Castles | |
| umadashi 馬出 | A castle entrance barrier. A small barrier or compound, built in front of a castle gate *… |
Architecture, Castles | |
| umijiro 海城 | Castle on the sea. |
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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