lum·​bar | \ ˈləm-bər How to pronounce lumbar (audio) , -ˌbär How to pronounce lumbar (audio) \

Definition of lumbar

: of, relating to, or constituting the loins or the vertebrae between the thoracic vertebrae and sacrum lumbar region

Examples of lumbar in a Sentence

This seat provides good lumbar support.

First Known Use of lumbar

circa 1656, in the meaning defined above

History and Etymology for lumbar

New Latin lumbaris, from Latin lumbus loin — more at loin

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Statistics for lumbar

Last Updated

23 Apr 2019

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Time Traveler for lumbar

The first known use of lumbar was circa 1656

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English Language Learners Definition of lumbar

medical : relating to or lying near the lower back


lum·​bar | \ ˈləm-bər, -ˌbär How to pronounce lumbar (audio) \

Medical Definition of lumbar

1 : of, relating to, or constituting the loins or the vertebrae between the thoracic vertebrae and sacrum the lumbar region
2 : of, relating to, or being the abdominal region lying on either side of the umbilical region and above the corresponding iliac region

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More from Merriam-Webster on lumbar

Rhyming Dictionary: Words that rhyme with lumbar

Spanish Central: Translation of lumbar

Britannica English: Translation of lumbar for Arabic Speakers

Comments on lumbar

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using a distributed computer network

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