verb
cackle
KAK-ul/ˈkækl/
To laugh in a harsh, shrill way.
The man begins to cackle while his companion smiles.

Etymology
An attested sense “to laugh” narrowed in modern use to a harsh, shrill kind of laughter.
To laugh in a harsh, shrill way.
The man begins to cackle while his companion smiles.

An attested sense “to laugh” narrowed in modern use to a harsh, shrill kind of laughter.