Cluck
/klʌk/
noun
The sound made by a hen, especially when brooding, or calling her chicks.
Any sound similar to this.
A kind of tongue click used to urge on a horse.
verb
To make such a sound.
To cause (the tongue) to make a clicking sound.
“My mother clucked her tongue in disapproval.”
To call together, or call to follow, as a hen does her chickens.