中なか扉とびら

noun

chapter title page; divisional title page

In book design, a page that introduces a new chapter or section, often with the title and sometimes decorative elements.

• この本ほんは各かく章しょうの前まえに中なか扉とびらが入はいっている。

  This book has a chapter title page before each chapter.

noun

middle door; inner door

A door located between rooms or in the middle of a building, as opposed to an entrance door. Less common than the book-design sense.

• 廊ろう下かの中なか扉とびらを開あけると、小ちいさな庭にわがあった。

  When I opened the middle door in the hallway, there was a small garden.