Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

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

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Anything that announces something
  • n. A signalling device that shows which of several electrical circuits is active, especially such a device in a telephone switchboard
  • n. A buzzer in a UK signal box, that sounds when a train activates a treadle positioned on the track. Provides a warning or announcement of a nearby train.

from the GNU version of the Collaborative International Dictionary of English

  • 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.

from The Century Dictionary and Cyclopedia

  • n. One who or that which announces; an announcer.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

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

Etymologies

Latin (Wiktionary)

Examples

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  • "When Captain McVay found Lieutenant Orr he was ringing up the engine room on the annunciator and giving the order to stop all engines."
    —Thomas Helm, Ordeal by Sea: The Tragedy of the U.S.S. Indianapolis, 1963 (New York: Signet, 2001), 45

    November 14, 2008