cafetorium

plural cafetoriums · plural cafetoria

1. A large room, usually in a school, used as both a cafeteria and an auditorium.

   There is another combination which is regarded favorably, particularly where economy of space is a necessity. This is the combined cafeteria-auditorium unit and is often called a cafetorium or an auditeria.

   1948, University of the State of New York, Planning The School Auditorium, page 14

   1 more example

   Then Mitchell reminded his mother that they both needed money to pay for their lunches, which meant a search for the exact change to pay for two lunches so they would not slow up the line in the cafetorium.

   1967, Beverly Cleary, Mitch and Amy, HarperCollins, published 2009, →ISBN, pages 86–87