Bulbul \Bul"bul\, n. [Per.] (Zool.) The Persian nightingale ({Pycnonotus jocosus}). The name is also applied to several other Asiatic singing birds, of the family {Timaliid[ae]}. The green bulbuls belong to the {Chloropsis} and allied genera. [Written also {buhlbuhl}.] [1913 Webster]