ticktack

nouns

system of signalling by hand signs used by bookmakers at racetracks
ticktack
domain region
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
Britain, Great Britain, U.K., UK, United Kingdom, United Kingdom of Great Britain and Northern Ireland
is a type of (narrower)
any nonverbal action or gesture that encodes a message
"signals from the boat suddenly stopped"
sign, signal, signaling

verbs

make a sound like a clock or a timer
"the clocks were ticking"; "the grandfather clock beat midnight"
beat, tick, ticktack, ticktock