lunchroom
noun/ˈlʌntʃruːm/, /ˈlʌntʃrʊm/
/ˈlʌntʃruːm/, /ˈlʌntʃrʊm/
(North American English)- a large room in a school or office where people eat lunch
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lunchroom
Definition of lunchroom noun from the Oxford Advanced Learner's Dictionary