前まえ小こ口ぐち

noun

fore edge (of a book)

Technical term in bookbinding and printing; refers to the front edge of a book opposite the spine.

• 製せい本ほんの際さい、前まえ小こ口ぐちをきれいに揃そろえることが大たい切せつです。

  When binding a book, it is important to align the fore edge neatly.