Ticktack has 5 different meanings across 3 categories:
Noun · Verb · Intj
system of signalling by hand signs used by bookmakers at racetracks
A kind of backgammon played with both men and pegs.
A noise like that made by a clock or a watch.
make a sound like a clock or a timer
"the clocks were ticking"
"the grandfather clock beat midnight"
Dated form of tick tock.