背筋 せすじ spine #10,608 Meanings also 背すじ noun spine; line of the backbone seam down the back (of clothing) はいきん noun muscles of the back; back muscles Its kanji 背 ハイ · せ、せい、そむ.く、そむ.ける stature, height, back, behind, disobey, defy, go back on, rebel 筋 キン · すじ muscle, sinew, tendon, fiber, plot, plan, descent In sentences Furigana 震ふるえが背筋せすじを走はしった。 A shiver ran down my spine. #144698 背筋せすじがゾクッとした。 A shiver ran down my spine. #10317697