腰こし骨ぼね

noun

hipbone; innominate bone

Anatomical term for the large pelvic bone. In everyday conversation, 骨盤 (こつばん) is more common for the pelvis as a whole.

• 腰こし骨ぼねのあたりが痛いたむので、整せい形けい外げ科かに行いった。

  I went to an orthopedist because the area around my hipbone hurts.

noun

fortitude; perseverance; backbone

Figurative use likening mental toughness to a strong hipbone. Often appears in expressions like 腰骨を据える (to settle down to something with determination) or 腰骨が強い (to have a strong will).

• 彼かれは腰こし骨ぼねが強つよいから、どんな困こん難なんにも負まけない。

  He has a strong backbone, so he won't be defeated by any hardship.

• 腰こし骨ぼねを据すえて仕し事ごとに取とり組くむ。

  I settle down to work with determination.