あいこべんとう 合の子弁当 LinksSentence search for 合の子弁当Sentence search for あいのこべんとうSentence search for 合いの子弁当Kanji details for 合, 子, 弁 and 当Edit in JMdict Noun1. children's lunch box of cooked rice and a Western-style side dish (popular late Meiji and Taisho periods)Other forms合いの子弁当 【あいのこべんとう】 Discussions Log in to talk about this word.