cafeteria
noun [ C ] uk/ˌkæf.əˈtɪə.ri.ə/ us/ˌkæf.əˈtɪr.i.ə/
A2 （常指工厂、大学或办公大楼内的）自助餐厅，自助食堂
a restaurant (often in a factory, a college, or an office building) where people collect food and drink from a serving area and take it to a table themselves after paying for it