ticktock
nounUK /ˈtɪk.tɒk/
US /ˈtɪk.tɑːk/
The sound a clock makes as it counts the time.
The ticktock of the old clock helped her fall asleep.
OTHER MEANINGS
2. A repeated ticking sound made by a clock or watch.
I could hear the ticktock coming from the hallway.
3. The steady passing or counting of time.
The ticktock of the day made everyone eager to go home.
4. A word used to describe something that goes back and forth like a clock's pendulum.
The swing moved with a gentle ticktock rhythm.