What is the meaning of the word "cackler"?

Definitions:

  1. A hen or fowl that emits a loud clucking or crackling sound. copy to clipboard NOUN
    • The hen is the biggest cackler in the coop after laying an egg. copy to clipboard
  2. A person who laughs in a harsh, high-pitched, or foolish way. copy to clipboard NOUN
    • The loud cackler in the audience made it hard to hear the speaker. copy to clipboard