| Subject | English | Japanese |
| gen. | n outer wall | 外廓 (e.g. castle) |
| gen. | n outer wall | 外壁 news1 nf13 (gaiheki) |
| construct. | outer wall | 外壁 (gaiheki) |
| gen. | n outer wall | 外郭 news2 nf47 spec2 (e.g. castle, gaikaku) |
| tech. | setback distance of outer wall | 外壁の後退距離 (がいへきのこうたいきより) |