背せ標ひょう

noun

collating mark

A small mark printed on the spine or back of folded signatures to ensure correct order during bookbinding.

• 製せい本ほんの際さい、背せ標ひょうを確かく認にんして折おり丁ちょうの順じゅん序じょを確たしかめる。

  During bookbinding, check the collating marks to verify the order of the signatures.