A university professor; an academic holding the rank of professor who lectures and conducts research.
彼は京都大学の化学の教授だ。
He is a chemistry professor at Kyoto University.
教授に論文の指導を受けた。
I received thesis supervision from a professor.
新任の教授が研究室を立ち上げた。
The newly appointed professor established a research lab.
Teaching or instruction, especially the formal imparting of specialized knowledge or skills (used in expressions like 'to teach/instruct' or 'to receive instruction').
彼女は学生に日本語の文法を教授している。
She teaches Japanese grammar to students.
その技術はベテランにしか教授されなかった。
That technique was taught only to veterans.