n. A portable, usually hand-held, funnel-shaped device that is used to amplify a person’s natural voice toward a targeted direction.
v. To use a megaphone.
n. a cytotoxic neolignan obtained from the laurel aniba megaphylla
the GNU version of the Collaborative International Dictionary of English
n. A device to magnify sound, or direct it in a given direction in a greater volume, as a very large funnel used as an ear trumpet or as a speaking trumpet.
The Century Dictionary and Cyclopedia
n. An instrument devised by Edison for assisting hearing, adapted for use by deaf persons or for the perception of ordinary sounds at great distances.
n. A large speaking-trumpet of a conical form.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. a cone-shaped acoustic device held to the mouth to intensify and direct the human voice
Word Usage
"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."