Definition of "megaphone" []

• A funnel-shaped device used to direct and amplify the voice. (noun)
• To transmit (a message) or speak through or as if through a funnel-shaped voice amplification device. (verb-transitive)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Those include 62-year-old Geoffrey Strand, a financial adviser who has been yelling into his megaphone from the sidelines at nearly every game for the past 32 years."
• "Does the buggy have a built in megaphone a la Northants? on May 22, 2009 at 3: 52 pm Hogday"
• "Megan Kennedy is called megaphone because she doesn't need one."