Definition of zebu
: any of various breeds of domestic oxen developed in India that are often considered conspecific with the common ox (Bos taurus) or sometimes as a separate species (B. indicus) and are characterized by a large fleshy hump over the shoulders, a dewlap, pendulous ears, and marked resistance to the injurious effects of heat and insect attack
Seen and Heard
What made you want to look up zebu? Please tell us where you read or heard it (including the quote, if possible).