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set meal; special (of the day)
この店の日替わり定食はとても人気がある。
The daily set meal at this restaurant is very popular.
定食にはご飯と味噌汁がついてくる。
The set meal comes with rice and miso soup.
昼食は会社近くの定食屋で済ませることが多い。
I often have lunch at a set meal restaurant near my company.