lumbar
lum·bar
adj \ˈləm-bər, -ˌbär\Definition of LUMBAR
1
: of, relating to, or constituting the loins or the vertebrae between the thoracic vertebrae and sacrum <the lumbar region>
2
: of, relating to, or being the abdominal region lying on either side of the umbilical region and above the corresponding iliac region








