Abbreviation of '学生食堂' (student cafeteria); an informal term for a school or university cafeteria frequented by students.
今日は授業が早く終わったから学食でランチを食べた。
Classes finished early today, so I had lunch at the campus cafeteria.
学食の定番メニューは学生に人気だ。
The cafeteria's staple menu items are popular with students.
学食は授業の合間に気軽に利用できて便利だ。
The cafeteria is convenient for a quick meal between classes.