縫い代 ぬいしろ Also written 縫代 Meanings Noun margin for a seam; seam allowance Kanji 縫 sew. Read as ぬう. 代 era. Read as しろ. Words containing 縫い代 縫い代を割る (ぬいしろをわる) to stop an inside seam rolling about Jinuma: Japanese Dictionary · Word lists