Definition of lumbar in English:

lumbar

Line breaks: lum¦bar
Pronunciation: /ˈlʌmbə
 
/

adjective

  • Relating to the lower part of the back: backache in the lumbar region
    More example sentences
    • 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'.

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