Annunciator

[ә'nʌnʃieitә]

Definition

(noun.) an indicator that announces which electrical circuit has been active (as on a telephone switchboard).

Inputed by Elliot--From WordNet

Definition

(n.) 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.

(n.) An indicator (as in a hotel) which designates the room where attendance is wanted.

Inputed by Bella