fire alarm horn

/F AY1 ER0 AH0 L AA0 R M AO0 R N/
noun
  1. 1

    A horn on a fire alarm that sounds in case of fire, either automatically when the system detects fire or manually when the alarm is pulled, to alert the occupants of a building or complex of the hazard.

  2. 2

    (historical) A siren used to alert a town or neighborhood of fire.

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