背筋
せすじ はいきん
- spine; line of the backbone n
- seam down the back (of clothing) n
- muscles of the back; back muscles n
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