noun
- the small triangular bone at the bottom of the spine, formed by fused vertebrae
Usage: anatomy
Examples
- She fell and bruised her coccyx.
- The coccyx is located at the base of the vertebral column.
- Sitting for long periods can cause coccyx pain.
- The doctor examined the patient’s injured coccyx.
- Humans have a coccyx as a remnant from when our ancestors had tails.
- Coccyx fractures are uncommon but can be very painful.