昼ちゅう食しょく代だいちゅうしょくだいMeanings1nounlunch cost; lunch money; price of lunchRefers to the amount of money spent on lunch, or the money set aside for lunch.毎まい月つきの昼ちゅう食しょく代だいは結けっ構こうかかる。My monthly lunch expenses are quite high.