A chair or seat (a piece of furniture to sit on), including stools and benches.
ドアのそばの椅子に座って待ってください。
Please sit on the chair by the door and wait.
会議室の椅子が足りないので増やしましょう。
There aren't enough chairs in the conference room, so let's add more.
その椅子は古くて壊れているから使わないでください。
That chair is old and broken, so please don't use it.
子供用の小さな椅子を買った。
I bought a small chair for kids.
A post, position, or office; used metaphorically for a role or seat of authority (e.g., the chairman's seat).
ついに彼は社長の椅子に就いた。
He finally took the president's seat (became president).
その椅子は責任が重いポストだ。
That seat is a post with heavy responsibilities.
議長の椅子をめぐって激しい議論が起きた。
A heated debate arose over the chairman's seat.