Dictionary

bullhorn

noun bull·horn \-ˌhrn\

: an electrical device that is used for making your voice much louder so that you can be heard over a large distance

Full Definition of BULLHORN

1
:  a loudspeaker on a naval ship
2
:  a handheld combined microphone and loudspeaker

First Known Use of BULLHORN

1942

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2 ENTRIES FOUND:
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May 23, 2015
debouch Hear it
to emerge or cause to emerge
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