bulbul Syllabification: (bul·bul)Pronunciation: /ˈbo͝olˌbo͝ol/Definition of bulbul noun a tropical African and Asian songbird that typically has a melodious voice and drab plumage. Many kinds have a crest. Family Pycnonotidae: several genera and numerous species Origin: mid 17th century: from Persian, of imitative originbulbul in other Oxford dictionaries Definition of bulbul in the British & World English dictionary