corellaPronunciation: /kəˈrɛlə/Definition of corella noun a white Australasian cockatoo with some pink feathers on the face, bare blue skin around the eye, and typically a long bill. Genus Cacatua, family Cacatuidae (or Psittacidae): three species, in particular the widespread little corella (C. sanguinea) Origin: late 19th century: from Wiradhuricorella in other Oxford dictionaries Definition of corella in the US English dictionary