Professor
Teaching
noun, verbal noun, の adjective
If you teach and instruct, then you may be some kind of professor. And a professor's work is… teaching!
教授 usually means a university professor, but it can also refer to other kinds of expert instruction in a formal context. You can even use it in phrases like ご教授ありがとうございます to show respect for the expertise of someone of higher status.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
あの教授の息子、ずい分コウイチに肩入れしてるよね。
That professor's son backs up Koichi quite a lot, yeah?
音楽大学で教授から、ピアノ教授法について教授してもらいました。
I received instruction on piano teaching methods from a professor at the music university.
教授会は毎月第三金曜日に開かれます。
The faculty meetings are held on the third Friday of every month.