1.
coccyx; tailbone
The small, triangular bone at the bottom of the spine, the vestigial remnant of the human tail. Used in medical contexts and when describing injuries from falling on the lower back.
尾骨を打った。
I bruised my tailbone.
転んで尾骨を骨折した。
I fell and fractured my tailbone.
尾骨の痛みが長引いたので整形外科で診てもらった。
The pain in my tailbone wouldn't go away, so I had it examined at an orthopedic clinic.
Composed of 尾 (tail) and 骨 (bone). A medical/anatomical term. In everyday conversation, Japanese speakers are at least as likely to use the more colloquial 尻尾の骨 or simply お{尻の骨} when describing a fall.
COMMON COLLOCATIONS:
- 尾骨を打つ: to bruise/hit one's tailbone
- 尾骨を骨折する: to fracture one's tailbone
- 尾骨が痛い: one's tailbone hurts
- 尾骨の痛み: pain in the tailbone
RELATED TERMS:
- 背骨: spine, backbone
- 骨盤: pelvis
- 仙骨: sacrum — the bone just above the tailbone
- 尾: tail (of an animal)