Meaning of “public address system” in the English Dictionary

british dictionary

"public address system" in British English

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(Definition of “public address system” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"public address system" in Business English

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public address systemnoun [ C ]

uk us abbreviation PA, also PA system COMMUNICATIONS

a system used to make announcements or play music in public places

(Definition of “public address system” from the Cambridge Business English Dictionary © Cambridge University Press)