| Subject | English | Japanese |
| gen. | n children's lunch box of cooked rice and a Western-style side dish | 合いの子弁当 (popular late Meiji and Taisho periods) |
| gen. | n children's lunch box of cooked rice and a Western-style side dish | 合の子弁当 (popular late Meiji and Taisho periods) |
| gen. | n uk kanji "box-on-side" radical | 匚構え (radical 22) |
| gen. | n musicians' box on the left side of the stage | 下座 news2 nf39 (げざ) |
| tech. | side box | サイド•ボックス |