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lumbar

adj, noun — 3 senses

lumbar

adj

UK /ˈlʌm.bɑː/ · US /ˈlʌm.bɑɹ/

Etymology From Latin lumbāris, from lumbus (“loin”) + -āris. See loin.

1

Related to the lower back or loin, specifically the five vertebrae between the rib cage and the pelvis.

  • The lumbar spine supports the upper body and transmits the weight of the upper body to the pelvis and lower limbs.2008, David J. Magee, Orthopedic Physical Assessment, 5th edition, page 515:
Derived terms
cervicolumbar, cervicothoracolumbar, dorsolumbar, lumbago, lumbar ganglion, lumbarization, lumbar puncture, lumbar spine, lumbar vertebra, midlumbar, nonlumbar, paralumbar, postlumbar, prelumbar, sacrolumbar, sublumbar, supralumbar, thoracolumbar, translumbar, ventriculolumbar

lumbar

noun

Etymology From Latin lumbāris, from lumbus (“loin”) + -āris. See loin.

1

Informal The lumbar region.

2

A lumbar vertebra.

  • The first lumbar moved between the erect position and extreme flexion 8.2 cm.1905, Robert W. Lovett, “The mechanism of the normal spine and its relation to scoliosis”, in Boston Medical and Surgical Journal, volume 153, number 13, pages 354–355:

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.