A megaphone which electronically amplifies a person’s natural voice.
A portable, usually hand-held, funnel-shaped device that is used to amplify a person’s natural voice toward a targeted direction.
a portable loudspeaker with built-in microphone and amplifier.
(figuratively) Mouthpiece or promoter; one who speaks for or publicizes on behalf of another.
a portable loudspeaker with built-in microphone and amplifier
(organic compound) a cytotoxic neolignan obtained from the laurel Aniba megaphylla.
To use a megaphone; to speak through a megaphone.
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.
a cone-shaped acoustic device held to the mouth to intensify and direct the human voice
A megaphone, speaking-trumpet, bullhorn, blowhorn, or loudhailer is usually a portable or hand-held, cone-shaped acoustic horn used to amplify a person's voice or other sounds and direct it in a given direction. The sound is introduced into the narrow end of the megaphone, by holding it up to the face and speaking into it, and the sound waves radiate out the wide end.