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Noun: bullhorn  'bûl,horn
Usage: N. Amer (elsewhere: loud-hailer)
  1. A portable loudspeaker with built-in microphone and amplifier
    - loud hailer, loud-hailer [Brit]

Derived forms: bullhorns

Type of: loudspeaker, loudspeaker system, speaker, speaker system, speaker unit

Encyclopedia: Bullhorn, Inc