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also tic-tac  (tĭk′tăk′)
1. A steady ticking sound, as of a clock.
2. A prankster's device for tapping on a door or window from a distance.

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. (Horse Racing) Brit a system of sign language, mainly using the hands, by which bookmakers transmit their odds to each other at racecourses
2. US a ticking sound, as made by a clock
[from tick1]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


or tic•tac


1. a repetitive sound, as of tapping.
2. a device for making a tapping sound.
[1540–50; imitative]
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.ticktack - system of signalling by hand signs used by bookmakers at racetracks
signal, signaling, sign - any nonverbal action or gesture that encodes a message; "signals from the boat suddenly stopped"
Britain, Great Britain, U.K., UK, United Kingdom, United Kingdom of Great Britain and Northern Ireland - a monarchy in northwestern Europe occupying most of the British Isles; divided into England and Scotland and Wales and Northern Ireland; `Great Britain' is often used loosely to refer to the United Kingdom
Verb1.ticktack - make a sound like a clock or a timer; "the clocks were ticking"; "the grandfather clock beat midnight"
sound, go - make a certain noise or sound; "She went `Mmmmm'"; "The gun went `bang'"
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
References in classic literature ?
Verily, to such measure and ticktack, it liketh neither to dance nor to stand still.
To small virtues would they fain lure and laud me; to the ticktack of small happiness would they fain persuade my foot.
Lam went on to denounce 'some aggressive protesters' who destroyed a smart lamp post that was found to contain the Bluetooth locator SPLD01, produced by TickTack Tech.