hadada Syllabification: (ha·da·da)Pronunciation: /ˈhädəˌdä/ (also hadada ibis)Definition of hadada noun a large gray-brown African ibis with iridescent patches on the wings and a loud, harsh call. Bostrychia (or Hagedashia) hagedash, family Threskiornithidae Origin: late 18th century: imitative of its callhadada in other Oxford dictionaries Definition of hadada in the British & World English dictionary