The term 'Bone in a Column' is a reference to the VERTEBRA, which is an individual bone in the spinal column. The VERTEBRA is an 8-letter word and is the solution to the crossword puzzle. The VERTEBRA is a part of the vertebral column, which is made up of 33 bones that are stacked on top of each other. The vertebrae provide support for the body and protect the spinal cord. They also allow for movement of the body and flexibility of the spine.