Megaphone \Meg"a*phone\, n. [Mega- + Gr. fwnh` voice.]
   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.
   [1913 Webster]

	

	megaphone
     n : a cone-shaped acoustic device held to the mouth to intensify
         and direct the human voice

	

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