Third-person singular simple present indicative form of megaphone.(verb)
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Use "megaphones" in a sentence
"Often the most dramatic pictures are of riot police seizing megaphones from the crowd, dramatic because this is a powerful image of what is really going on: the suppression of free speech."
"I woke up Monday morning to the sounds of megaphones chanting for my immediate resignation as Mom."
"But the number of them and the attention they receive will hardly be on par with the breaking news of the suit's filing itself, which has inspired a trail of hundreds upon hundreds of harsh and vituperative comments from angry Redskins fans each holding up their own little online megaphones."