#alarm_system__alarmsystem__warning_device__warningdevice  a device that signals the occurrence of some undesirable event
  supertype:  #device  an instrumentality invented for a particular purpose; "the device is small enough to wear on your wrist"; "a device intended to conserve water"
  part of:  #motor_vehicle (pm)
  subtype:  #automobile_horn__car_horn__carhorn__motor_horn__motorhorn__horn__hooter  a device on an automobile for making a warning noise
  subtype:  #burglar_alarm__burglaralarm  a warning device that is tripped off by the occurrence of a burglary
  subtype:  #smoke_alarm__smokealarm__fire_alarm  an alarm that is tripped off by fire or smoke
  subtype:  #horn.alarm_system  an alarm device that makes a loud warning sound
     subtype:  #air_horn.horn__airhorn  a pneumatic horn
     subtype:  #foghorn  a warning device consisting of a horn that generates a loud low tone
        subtype:  #diaphone  a foghorn that makes a signal consisting of two tones
     subtype:  #klaxon__claxon  a kind of loud horn formerly used on motor vehicles
     subtype:  #shofar__shophar  an ancient musical horn made from the horn of a ram; used in ancient times by the Israelites to sound a warning or a summons; used in synagogues today on solemn occasions
  subtype:  #siren.acoustic_device  an acoustic device producing a loud often wailing sound as a signal or warning

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