From Longman Dictionary of Contemporary Englishspinal columnˈspinal ˌcolumn noun [countable] technicalHBH your spine
Examples from the Corpus
spinal column• The pinioned hands of the condemned man went suddenly white as the noose and the drop snapped his spinal column.• These are connected vertically to the idol along the spinal column, over the chakras and end at the head.• Chiropractic Practitioners deal with the structural relationships between the nerve tissues and the spinal column.• At intervals along its length groups of nerve fibres emerge from the spinal column to connect with the peripheral nervous system.• The central rod is known as the Sushumna and corresponds to the spinal column. 