A bird of the family Cacatuidae with a curved beak and a zygodactyl foot. / (slang, obsolete) A lookout posted during a two-up game, when gambling was illegal.

plural of cockatoo

Alternative spelling of sulfur cockatoo

the sulfur-crested cockatoo

Probosciger aterrimus, a large smoky-grey or black parrot of the cockatoo family native to New Guinea and far north Queensland, Australia, with a large black beak and prominent red cheek patches.

plural of black cockatoo

Any of various species of Australian cockatoo of the genus Calyptorhynchus having mainly black plumage; sometimes also the great black cockatoo, Probosciger aterrimus.

plural of casuarina cockatoo

The glossy black cockatoo, Calyptorhynchus lathami.

(Australia, derogatory, obsolete) A small-scale farmer.