The sound or other warning made by a fire alarm.
An electromechanical or electronic bell, klaxon, chime, horn, speaker, strobe light or other device which warns people in a building of a possible fire or other condition requiring evacuation.
An emergency response to a fire by the fire department with manpower and equipment.
A type of flare or combustion device sometimes used as a distress signal.
A method of long-distance communication sometimes used in ancient and undeveloped societies, consisting of messages conveyed by means of columns or intermittent puffs of smoke.
A message or sign sent by this method.
An indirect message or indication, especially concerning a future event.