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One that announces, especially an electrical signaling device used in hotels or offices to indicate the sources of calls on a switchboard.

an·nun′ci·a·to′ry (-ə-tōr′ē) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


1. (General Physics) a device that gives a visual indication as to which of a number of electric circuits has operated, such as an indicator in a hotel showing in which room a bell has been rung
2. (Railways) a device giving an audible signal indicating the position of a train
3. (Broadcasting) a less common word for announcer
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(əˈnʌn siˌeɪ tər)

1. an announcer.
2. a signaling apparatus, esp. in some doorbell systems, that uses lights or pointers to indicate the source of the signal.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.annunciator - an indicator that announces which electrical circuit has been active (as on a telephone switchboard)
indicator - a device for showing the operating condition of some system
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
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