auditorium /ˌɑːdəˈtorijəm/ noun plural auditoriums also auditoria /-ˈtorijə/ /ˌɑːdəˈtorijə/ plural auditoriums also auditoria /-ˈtorijə/ /ˌɑːdəˈtorijə/ Learner's definition of AUDITORIUM
[count]
1
US : a large room or building where people gather to watch a performance, hear a speech, etc.礼堂;会堂
2
: the part of a building (such as a theater) where an audience sits观众席;听众席