D defs.my
Entry 2 senses Webster, 1913

Annunciator

· An·nun·ci·a·tor · IPA
01 n. One who announces. Specifically: An officer in the church of Constantinople, whose business it was to inform the people of the festivals to…
  1. 1.
    One who announces. Specifically: An officer in the church of Constantinople, whose business it was to inform the people of the festivals to be celebrated.
  2. 2.
    An indicator (as in a hotel) which designates the room where attendance is wanted.