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English definition of “auditorium”

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auditorium

noun [C] uk   /ˌɔː.dɪˈtɔː.ri.əm/ us    /ˌɑː.dɪˈtɔːr.i-/ ( plural auditoriums or auditoria   //   )
the part of a theatre, or similar building, where the people who are watching and listening sit: No smoking in the auditorium. mainly US a large public building where meetings, concerts, etc. are held
(Definition of auditorium from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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