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lumbar

American

[luhm-ber, -bahr] / ˈlʌm bər, -bɑr /

adjective

of or relating to the loin or loins.

noun

a lumbar vertebra, artery, or the like.

lumbar British

/ ˈlʌmbə /

adjective

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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

lumbar Scientific

/ lŭm′bər /

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

Other Word Forms

Etymology

Origin of lumbar

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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

lumbar

That began a career-threatening battle with back injuries that includes seven surgeries since 2014 — several microdiscectomies, a 2017 lumbar fusion and most recently a lumbar disc replacement performed in October 2025.

From Los Angeles Times ● Sep. 2, 2026

Gao has chronic lumbar spine disease and arthritis, and his health has deteriorated in custody, his brother said.

From The Wall Street Journal ● Aug. 26, 2026

Gao suffers from chronic lumbar spine disease, arthritis, eye problems and chronic urticaria – a skin condition that causes itchy red welts.

From BBC ● Apr. 19, 2026

Note: Lakers backup center Maxi Kleber did not play as he continues to recover from a lumbar back strain.

From Los Angeles Times ● Mar. 17, 2026

She has posture that suggests lower lumbar pain.

From "Counting by 7s" by Holly Goldberg Sloan

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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023