noun
trimming edges; cutting off margins
Refers to the action of cutting off excess edges in printing, sewing, cooking, etc. Often used in contexts like bookbinding, photo trimming, or dough trimming.
印刷所で裁ち落としをして本のサイズを整える。
At the printing shop, they trim the edges to adjust the book size.
パイ生地の裁ち落としは別の料理に使える。
The trimmings from the pie dough can be used for another dish.
noun
The leftover pieces after cutting off edges; scraps from trimming.
裁ち落としを集めて紙すきに使う。
We collect the trimmings to use for papermaking.
Compound of 裁ち (masu stem of 裁つ, 'cut cloth/paper') + 落とし (masu stem of 落とす, 'drop/remove'). Literally 'cut and drop', referring to trimming off edges.