Cockatoo (noun)

1. A cockatoo is a type of parrot native to Australia and the surrounding islands. They are known for their distinctive crests of feathers on their heads and their distinctive calls.
2. The term can also refer to a specific species of cockatoos, such as the white cockatoos, black cockatoos, or Major Mitchell's cockatoos.

Origin:

The word "cockatoo" comes from the dutch word "kaketoe", which is derived from the malay word "kakatua". the word "kakatua" is a combination of "kaka", meaning parrot, and "tua", meaning old. the name was likely given to the bird due to its distinctive crest of feathers on its head.

Examples:

1. The cockatoos perched on the branch in the park were making a lot of noise.
2. The little girl was delighted to see the white cockatoos at the zoo.
3. The black cockatoos can often be seen flying over the Australian outback.
4. I saw a Major Mitchell's cockatoos when I was on a bird watching trip in the bush.
5. The cockatoos in the aviary were making quite the racket.