tu-whit tu-whoo Syllabification: (tu-whit tu-whoo)Pronunciation: /to͞o ˌ(h)wit tə ˈ(h)wo͞o/Definition of tu-whit tu-whoo noun a stylized representation of the cry of the tawny owl. Origin: late 16th century: imitativetu-whit tu-whoo in other Oxford dictionaries Definition of tu-whit tu-whoo in the British & World English dictionary