- 1[intransitive] when a chicken clucks, it makes a series of short low sounds
- 2[intransitive] to make a short low sound with your tongue to show that you feel sorry for someone or that you disapprove of something The teacher clucked sympathetically at the child's story.
NAmE//klʌk//Verb Forms present simple I / you / we / they cluck
he / she / it clucks
past simple clucked
-ing form clucking