English version

bullhorn

From Longman Dictionary of Contemporary English
Related topics: Daily life
bullhornbull‧horn /ˈbʊlhɔːn $ -hɔːrn/ noun [countable]  loudhailer.jpg TD American English old-fashioned a piece of equipment that you hold up to your mouth to make your voice louder syn megaphone British English
Examples from the Corpus
bullhornI grabbed a bullhorn and yelled, in my most commanding flight attendant voice, for them to back up.Certain sounds may seem to come out of a bullhorn.The visible ones grow larger as the fog reflects up at them; their voices become bullhorns.The cop is saying through his bullhorn that he wants to take the baby.
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