cluck

(klŭk)

1. a. The characteristic sound made by a hen when brooding or calling its chicks.
   b. A sound similar to this.
2. Informal A stupid or foolish person.

1. To utter the characteristic sound of a hen.
2. To make a sound similar to that of a hen, as in coaxing a horse.

1. To call by making the characteristic sound of a hen or a similar sound.
2. To express by clucking: He clucked disapproval.