中なか折おり

noun

folded in the middle; center fold

Describes something that is folded or creased at its center. Often used for hats, paper, or other flat objects.

• 紙かみを中なか折おりにして冊さっ子しを作つくった。

  I folded the paper in the middle and made a booklet.

• この紙かみは中なか折おりにして封ふう筒とうに入いれてください。

  Please fold this paper in the middle and put it in the envelope.