lumbar
/ˈlʌmbə
/adjective
Relating to the lower part of the back: backache in the lumbar region...
- As the lumbar spinal canal shrinks, the nerves that go through it are squeezed.
- The lower part of the back, the lumbar region, is composed of 5 vertebrae known as L1 to L5.
- Metastatic disease in the lumbar area can cause spinal cord compression.
Origin
Mid 17th century: from medieval Latin lumbaris, from Latin lumbus 'loin'.