bullhorn
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bull·horn
(bo͝ol′hôrn′)n.
A portable device consisting of a microphone attached to a loudspeaker, used especially to amplify the voice.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
bullhorn
(ˈbʊlˌhɔːn)n
(Electronics) US and Canadian a portable loudspeaker having a built-in amplifier and microphone. Also called (in Britain and certain other countries): loud-hailer
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
bull′horn`
or bull′ horn`,
n.
a directional, high-powered, electrical loudspeaker or megaphone.
[1950–55]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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Noun | 1. | bullhorn - a portable loudspeaker with built-in microphone and amplifier loudspeaker, loudspeaker system, speaker system, speaker unit, speaker - electro-acoustic transducer that converts electrical signals into sounds loud enough to be heard at a distance |
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