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chair; seat; stool; bench
post; position; seat; office
「倚子」 has another reading with different meanings.
倚子に座ってください。
Please have a seat.
新しい倚子はとても座り心地がいい。
The new chair is very comfortable to sit in.
倚子を窓のそばに動かして外の景色を楽しんでいる。
I moved the chair near the window and am enjoying the view.