Kaka \Ka"ka\, n. [Maori kaka a parrot; -- so named from its note.] (Zo["o]l.) A New Zealand parrot of the genus {Nestor}, especially the {brown parrot} ({Nestor meridionalis}). [1913 Webster] Note: The {mountain kaka}, or {kea} ({Nestor notabilis}), is remarkable for having recently acquired carnivorous habits. It attacks and kills lambs and pigs, sometimes doing great damage. [1913 Webster] {Night kaka}. (Zo["o]l.) The kakapo. [1913 Webster]