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.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
a room, usually in a school or other educational institution, which serves both as a cafeteria and an auditorium
[C20: blend of café + auditorium]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
caf•e•to•ri•um(ˌkæf ɪˈtɔr i əm, -ˈtoʊr-)
a large room, esp. in a school, that functions both as a cafeteria and an auditorium.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.