Teaching
Professor
noun, verbal noun, の adjective
If you teach and instruct then you are doing teaching. Who does teaching? A professor.
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.