| Subject | English | Japanese |
| gen. | n outermost enclosure of a castle or fortress | 惣構 (including the town around it) |
| gen. | n outermost enclosure of a castle or fortress | 総構え (including the town around it) |
| construct. | outermost layer | 最外層 (さいがい・そう) |
| gen. | n outermost layer of a hair | 毛表皮 |
| gen. | n outermost region of the castle | 三の丸 |
| phys. | outermost shell | 最外殼 (さいがいかく) |