1. One of the bony segments of the spinal column: "Vertebrae are the thirty-three bones of the spinal column, including the seven cervical, twelve thoracic, five lumbar, five sacral, and four coccygeal spinal bones."
2. Any of the bones or cartilaginous segments forming the spinal column.
3. A bone of the spinal column, typically consisting of a thick body, a bony arch enclosing a hole for the spinal cord, and stubby projections which connect with adjacent bones.

One of the bones of the neck or the seven segments of the vertebral column located in the neck area: " The vertebrae are located closest to the skull in the neck."

The three to five basic segments of the spinal column that is farthest from the skull and which fuse to form the coccyx or tailbone which consists of the small triangular bone at the base of the spinal column in humans and certain apes, consisting of several fused rudimentary vertebrae.

The bones, usually five in number, located in the lumbar region of the back which is near, or situated in the part of the back and sides between the lowest ribs and the pelvis.