We don't have synonyms for annunciators yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are annunciatory, annunciator and annunciates.
(n) :
A signalling device that shows which of several electrical circuits is active, especially such a device in a telephone switchboard.
(n) :
(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.
(n) :
An officer in the church of Constantinople, whose business it was to inform the people of the festivals to be celebrated.
(n) :
A signalling device that shows which of several electrical circuits is active, especially such a device in a telephone switchboard.
(n) :
(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.
(n) :
An officer in the church of Constantinople, whose business it was to inform the people of the festivals to be celebrated.