座ざ面めん

noun

seat surface; seat of a chair

Refers specifically to the flat part of a chair, stool, or bench that a person sits on, not the whole piece of furniture.

• この椅い子すは座ざ面めんが広ひろくて座すわりやすい。

  This chair has a wide seat surface and is comfortable to sit on.

• 座ざ面めんの高たかさを調ちょう節せつしてください。

  Please adjust the height of the seat.