A bullock's either an immature or a castrated bull, also known as a steer or ox. They're castrated so that the animal may be more docile or may put on weight more quickly. Bullock may also refer to: Bullock cart Bullock County, Alabama Bullock Pen Lake Bullock Creek Bullock Report (A Language for Life) (1975) Bullock Report (Industrial democracy) (1977) Bullock's, a defunct department store chain based in Los Angeles, California People with the surname Bullock Alan Bullock (1914–2… (More on Bullock)