TICKTACK
ticktack
(noun) system of signalling by hand signs used by bookmakers at racetracks
tick, ticktock, ticktack, beat
(verb) make a sound like a clock or a timer; “the clocks were ticking”; “the grandfather clock beat midnight”
Source: WordNet® 3.1
Etymology 1
Noun
ticktack (uncountable)
A kind of backgammon played with both men and pegs.
Synonyms: tricktrack, trictrac
Etymology 2
Interjection
ticktack
Dated form of tick tock.
Noun
ticktack (plural ticktacks)
A noise like that made by a clock or a watch.
Source: Wiktionary
Tick"tack`, n. Etym: [See Tick to beat, to pat, and (for sense 2) cf.
Tricktrack.]
1. A noise like that made by a clock or a watch.
2. A kind of backgammon played both with men and pegs; tricktrack.
A game at ticktack with words. Milton.
Tick"tack`, adv.
Definition: With a ticking noise, like that of a watch.
Source: Webster’s Unabridged Dictionary 1913 Edition