教きょう員いん室しつ

noun

staffroom; teachers' lounge; faculty lounge

A room in a school where teachers work, prepare lessons, and relax. The term is straightforward and commonly understood.

• 放ほう課か後ご、教きょう員いん室しつで先せん生せいに質しつ問もんした。

  After school, I asked the teacher a question in the staffroom.