public-address system

[puhb-lik-uh-dres]

noun

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

public-address system

noun

1. Sometimes shortened to: PA system. a system of one or more microphones, amplifiers, and loudspeakers for increasing the sound level of speech or music, used in auditoriums, public gatherings, etc

Word History and Origins

Origin of public-address system¹

First recorded in 1920–25

Related Words

• bullhorn 
• megaphone