Any of several oxlike Old World mammals of the family Bovidae, such as the water buffalo and African buffalo.
The North American bison, Bison bison.
The buffalo fish.
To intimidate, as by a display of confidence or authority: "The board couldn't buffalo the federal courts as it had the Comptroller” ( American Banker).
To deceive; hoodwink: "Too often . . . job seekers have buffaloed lenders as to their competency and training” ( H. Jane Lehman).