public-address system

[ puhb-lik-uh-dres ]
/ ˈpʌb lɪk əˈdrɛs /

noun

a combination of electronic devices that makes sound audible via loudspeakers to many people, as in an auditorium or out of doors.

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Also called PA system, P.A. system, p.a. system.

Origin of public-address system

First recorded in 1920–25
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for public-address system

public-address system

noun

a system of one or more microphones, amplifiers, and loudspeakers for increasing the sound level of speech or music, used in auditoriums, public gatherings, etcSometimes shortened to: PA system
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012