night meal; late-night snack; midnight snack
Refers to a meal or snack eaten late at night, typically after dinner. Can range from a light snack to a full meal, depending on context.
夜食にラーメンを食べた。
I ate ramen as a late-night snack.
試験勉強のため、夜
I studied for the exam while having a midnight snack.
late-night food terrorism; posting appetizing food pics late at night
Compound of 夜 (ya, 'night') and 食 (shoku, 'meal'). The reading is on'yomi.