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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.


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

"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

Etymology

Origin of loudspeaker

First recorded in 1880–85; loud + speaker

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

They arrived at yet another checkpoint, this one with Israeli security officers, who called out the names of the returnees on loudspeakers.

From Los Angeles Times

“This story promises to have the happiest ending you will ever hear,” blares a propaganda loudspeaker, one of the novel’s narrators.

From The Wall Street Journal

In November, French and Italian investigators arrested five people suspected of manufacturing such devices which have been sold worldwide, disguised as portable Bluetooth loudspeakers.

From BBC

A giant digital screen onstage features a countdown clock and a loudspeaker along the main thoroughfare also keeps guests appraised of how much time they have the get back to their seats.

From Los Angeles Times

I’m just heading for the school library to figure out how to walk to her house when the loudspeaker blares.

From Literature