Definitions for: Annunciator

[n] an indicator that announces which electrical circuit has been active (as on a telephone switchboard)

Webster (1913) Definition: An*nun"ci*a`tor, n. [L. annuntiator.]
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. An indicator (as in a hotel) which designates the room
where attendance is wanted.

See Also: indicator