annunciator
English edit
Etymology edit
Noun edit
annunciator (plural annunciators)
- Anything that announces something.
- An officer in the church of Constantinople, whose business it was to inform the people of the festivals to be celebrated.
- A signalling device that shows which of several electrical circuits is active, especially such a device in a telephone switchboard.
- (UK, railways) A buzzer in a signal box that sounds when a train activates a treadle positioned on the track, and thus provides a warning or announcement of a nearby train.