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bullhorn

American  
[bool-hawrn] / ˈbʊlˌhɔrn /
Or bull horn

noun

  1. a directional, high-powered, electrical loudspeaker or megaphone.


bullhorn British  
/ ˈbʊlˌhɔːn /

noun

  1. Also called (in Britain and certain other countries): loud-hailer.  a portable loudspeaker having a built-in amplifier and microphone

"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 bullhorn

First recorded in 1950–55; bull 1 + horn

Compare meaning

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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.

In preparation for the march, he had purchased a $20 bullhorn from Amazon and called the San Francisco Police Department to ask about a permit.

From The Wall Street Journal

One man with a bullhorn cursed at immigration agents at the intersection, while another person waved the Mexican flag.

From Los Angeles Times

Some demonstrators shouted through bullhorns while others confronted officers, telling them to go home.

From The Wall Street Journal

It was a message sent with a bullhorn, a move made with all the subtlety of an elbow to the ribs.

From Los Angeles Times

The Metropolitan Police said all escort riders now had bullhorns fitted to their motorcycles to ensure public safety.

From BBC