loudspeaker

American  

[loud-spee-ker] / ˈlaʊdˌspi kər /

noun

1. any of various devices, usually electronic, by which speech, music, etc., can be intensified and made audible throughout a room, hall, or the like.

2. Audio.

   1. a device for transforming electric signals into audible sound, most frequently used to reproduce speech and music.

   2. speaker.

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loudspeaker British  

/ ˌlaʊdˈspiːkə /

noun

1. Also called: reproducer.  Sometimes shortened to: speaker.  a device for converting audio-frequency signals into the equivalent sound waves by means of a vibrating conical diaphragm

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Etymology

Origin of loudspeaker

First recorded in 1880–85; loud + speaker

Example Sentences

Andrea Bocelli’s “Con te partirò” blasts over the stadium loudspeaker after wins.

From The Wall Street Journal • Mar. 13, 2026

This technique records electrical activity between the inner ear and the brain using small electrodes placed on the animals while short bursts of sound are played through a small loudspeaker.

From Science Daily • Mar. 12, 2026

We had just been assured that we would soon be boarding our train from Brussels when the news came down over a loudspeaker, in four languages.

From Los Angeles Times • Jan. 19, 2026

As an imam led prayers through a loudspeaker, the worshippers seemed absorbed in devotion, despite the mosque's gaping walls and exposed frame.

From Barron's • Oct. 17, 2025

“Stay where you are,” the pilot said over a loudspeaker.

From "Two Degrees" by Alan Gratz

Related Words

• bullhorn
• megaphone
• public address system