adjective
lumbar
LUHM-bah
adjective
1
Relating to the lower part of the back, between the ribs and the pelvis.
"She injured her lumbar spine in the fall."
noun
1
The lumbar region of the back, or one of its vertebrae.
"The scan showed wear on two of the lumbar vertebrae."
How to Use Lumbar
Learner’s notesIn plain EnglishThe medical term for the lower-back area.
Common pairings
lumbar spine
lumbar support
lumbar vertebrae
Word Forms
more lumbar comparative, lumbars plural, most lumbar superlative
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Etymology
From Latin lumbaris, based on lumbus, "loin."