Definition of twenty-eight in English:

twenty-eight

Pronunciation /ˌtwen(t)ēˈāt/ /ˌtwɛn(t)iˈeɪt/

noun

Australian
  • A ringneck parrot of southwestern Australia, having a call that resembles the word “twenty-eight”.

    Barnardius zonarius semitorquatus, family Psittacidae; a subspecies of the Port Lincoln parrot