Megaphone

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  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]



From WordNet (r) 2.0 [wn]:

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