Vocabulary: what is a bullock?

Tutoring English, words might come up whose meanings aren’t certain. The tutor mentions bullock.

Apparently, bullock can mean a steer or a young bull. The difference between steer and young bull is that the steer has been castrated whereas the young bull has not. However, bullock can mean either, although to some people it has one chief meaning, while to others, the other.

Source:

vocabulary.com