入いり隅すみ

noun

internal corner; inside corner

Architectural term for the concave corner where two walls or planes meet; opposite of 出隅 (outside corner).

• 部屋へやの入いり隅すみに小ちいさな棚たなを設せっ置ちした。

  I installed a small shelf in the inside corner of the room.

• 入いり隅すみの処しょ理りは左さ官かんの腕うでの見みせ所どころだ。

  The treatment of internal corners is where a plasterer's skill shows.