Definitions

1. noun

One of the bones in the spine that are separated by intervertebral discs.

“The injury occurred at the lower lumbar vertebra.”

2. noun

A division of the spine, especially when referring to the cervical, thoracic, lumbar, sacrum, or coccyx vertebrae.

“The doctor examined the cervical vertebra in the X-ray.”

3. noun

A similar bone in other animals, especially vertebrates.

“The fossil of a prehistoric vertebral bone was discovered by the archaeologist.”