I. cluck 1 /klʌk/ BrE AmE verb
[ Date: 1400-1500 ; Origin: From the sound ]
1 . [intransitive] if a chicken clucks, it makes a short low sound
2 . [intransitive and transitive] to express sympathy or disapproval by saying something, or by making a short low noise with your tongue:
Edith clucked her tongue impatiently.
cluck over/around etc
She stood clucking over the baby.
—clucking adjective :
clucking noises
II. cluck 2 BrE AmE noun [countable usually singular]
1 . a low short noise made by chickens
2 . a sound made with your tongue, used to show disapproval or sympathy:
a disapproving cluck
3 . dumb/stupid cluck American English a stupid person