Bū'çe-rŏs, n.
n. [Gr. βούκερως, horned, like an ox; βούς, ox, and κέρας, horn.] (Ornith.) A genus of large birds, of the order of Perchers (Passeres), inhabiting the warmer countries of Africa and Asia. The name hornbill is common to the different species. The Rhinoceros-hornbill, or horned Indian raven, is common in the East Indies.