中扉 (なかとびら) Japanese meaning | KotomoraMeanings
1
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.
2
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.
廊下の中扉を開けると、小さな庭があった。
When I opened the middle door in the hallway, there was a small garden.