Kostenlose Online-Wörterbücher: Übersetzungen auf Englisch, Spanisch, Französisch, Italienisch, Chinesisch, Russisch, Definitionen, Synonyme etc.
annunciator 
  n 
1 a device that gives a visual indication as to which of a number of electric circuits has operated, such as an indicator in a hotel showing in which room a bell has been rung 
2 a device giving an audible signal indicating the position of a train 
3  a less common word for   announcer