cafetorium

caf·e·to·ri·um

C0017900 (kăf′ĭ-tôr′ē-əm)n. pl. caf·e·to·ri·ums or caf·e·to·ri·a (-tôr′ē-ə) A large room, usually in an educational institution, that serves both as a cafeteria and as an auditorium.
[cafe(teria) + (audi)torium.]

cafetorium

(ˌkæfəˈtɔːrɪəm) na room, usually in a school or other educational institution, which serves both as a cafeteria and an auditorium[C20: blend of café + auditorium]

caf•e•to•ri•um

(ˌkæf ɪˈtɔr i əm, -ˈtoʊr-)

n. a large room, esp. in a school, that functions both as a cafeteria and an auditorium. [1950–55; b. cafeteria and auditorium]