| Subject | English | Japanese |
| gen. | clear overflow weir | 自由落下堰 |
| gen. | clear overflow weir | 自由越流堰 |
| gen. | clear overflow weir | 完全越流堰 |
| tech. | overflow weir | 溢流堰 (いつりゅうぜき) |
| tech. | overflow weir rate | 溢流堰負荷 (いつりゅうぜきふか) |
| gen. | side overflow weir | 横越流ぜき |
| tech. | side-overflow weir | 横越流堰 (よこえつりゅうぜき) |
| gen. | side overflow weir | 横越流堰 (よこえつりゅうぜき) |
| gen. | stormwater overflow weir | 雨水越流堰 |