- a portable loudspeaker with built-in microphone and amplifier
- A megaphone, speaking-trumpet, bullhorn, blowhorn, or loud hailer is a portable, usually hand-held, cone-shaped horn used to amplify a person’s voice towards a targeted direction. ...
- Bullhorn is a fictional character from the toyline, comic books and cartoon series.
- (Bullhorns) Handle bars that go away from the rider and curve upwards slightly at the end.
- Steel pipe formed with a 90 degree upward bend used to mount fixtures, speakers, cameras, etc.
- The first person of the line.