lumbar

American  

[luhm-ber, -bahr] / ˈlʌm bər, -bɑr /

adjective

1. of or relating to the loin or loins.

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noun

1. a lumbar vertebra, artery, or the like.

lumbar British  

/ ˈlʌmbə /

adjective

1. of, near, or relating to the part of the body between the lowest ribs and the hipbones

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lumbar Scientific  

/ lŭm′bər /

1. Located at or near the part of the back lying between the lowest ribs and the hips.

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Other Word Forms

• prelumbar adjective
• sublumbar adjective

Etymology

Origin of lumbar

From the New Latin word lumbāris, dating back to 1650–60. See lumb-, -ar ¹

Example Sentences

The “Criminal Minds” star also underwent multiple spinal surgeries to manage cauda equina syndrome, a rare condition in which nerve bundles in the lumbar or sacral spine are compressed or not functioning properly.

From Los Angeles Times

After visiting an optician who identified a problem with his optic nerve and referred him to a neurologist, George received an MRI and lumbar puncture which confirmed his MS diagnosis in March 2022.

From BBC

But first, Atlantis Hospital referred the toddler to Euracare for pre-flight investigations, including an MRI and a spinal tap, or lumbar puncture.

From BBC

All the volunteers will have the current gold-standard tests for Alzheimer's which involve a specialised brain PET scan using a radioactive tracer, or a lumbar puncture to remove a sample of cerebrospinal fluid.

From BBC

Guard Marcus Smart will miss a sixth consecutive game because of a left lumbar muscle strain.

From Los Angeles Times