Vertebra n. : One of the serial segments of the spinal column.

Vertebra n. : One of the central ossicles in each joint of the arms of an ophiuran.

Example:
My 85 year old grandfather fell and fractured a Vertebra. What kind of recovery time is he looking at?

Taxonomy
vertebrae, vertebra, somites, cervical vertebrae, birds, mammals, humans, bones, ribs, reptiles, concave, vertebral body, tail, centrum, shape, caudal vertebrae, spinous processes, neck.

Defination from the web:
vertebra compose the tail, and the final few can be fused into the pygostyle in birds, or into the coccygeal or tail bone in chimpanzees or humans. ... Individual vertebra are composed of a centrum (body), arches protruding from the top and bottom of the centrum, and various ...