Difference between teacher's desk and chair in Korean

교탁·의자

teacher's desk — 교탁teacher's desk
교탁 means the teacher's desk at the front of a classroom. Teachers often put books, papers, or a computer on it during class. Students also use this word when they talk about things on, under, or near the desk.
How to say teacher's desk

chair — 의자chair
An 의자 is a chair, the thing you sit on at school, home, or other places. It is a very common everyday word for a single seat. You can use it for classroom chairs, desk chairs, dining chairs, and many other kinds of chairs.
How to say chair

The difference

의자 is something a person sits on. 교탁 is not for sitting; it is a desk the teacher stands at or uses during class.