Definition of lumbar in English:

lumbar

Syllabification: lum·bar
Pronunciation: /ˈləmbər
 
, ˈləmˌbär
 
/

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'.

Definition of lumbar in:

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Word of the day bimble
Pronunciation: ˈbɪmb(ə)l
verb
walk or travel at a leisurely pace