cockatoo

noun

cock·​a·​too ˈkä-kə-ˌtü How to pronounce cockatoo (audio)
plural cockatoos
: any of various large noisy chiefly Australasian crested parrots (family Cacatuidae and especially genus Cacatua)

Illustration of cockatoo

Illustration of cockatoo

Examples of cockatoo in a Sentence

Recent Examples on the Web
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Hoping to learn more about the learned behavior, researchers set up trail cameras to capture video of the cockatoos drinking, according to the study. Irene Wright, Miami Herald, 5 June 2025 Australia’s suburban-dwelling cockatoos are adept at picking up new skills. Sara Hashemi, Smithsonian Magazine, 4 June 2025 This has interesting parallels to an earlier study on bin-opening in cockatoos where 54% of attempts by marked birds were successful, suggesting similarities in either their physical difficulty or time taken to learn. New Atlas, 4 June 2025 But this particular glass squid observed during the descent held its arms loosely above its head in a maneuver called a cockatoo pose, which has been observed previously in glass squids. Ashley Strickland, CNN Money, 16 Apr. 2025 See All Example Sentences for cockatoo

Word History

Etymology

Dutch kaketoe, from Malay kakatua

First Known Use

1634, in the meaning defined above

Time Traveler
The first known use of cockatoo was in 1634

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Cite this Entry

“Cockatoo.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/cockatoo. Accessed 17 Jun. 2025.

Kids Definition

cockatoo

noun
cock·​a·​too ˈkäk-ə-ˌtü How to pronounce cockatoo (audio)
plural cockatoos
: any of various large noisy usually showy chiefly Australasian parrots that have a bunch of feathers on the head

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