lumbar
adjective
lum·bar ˈləm-bər 
-ˌbär
-ˌbär : of, relating to, or constituting the loins or the vertebrae between the thoracic vertebrae and sacrum
lumbar region
Example Sentences
This seat provides good lumbar support.
Recent Examples on the Web Do not force it, as compensating from your low back could exacerbate any lumbar disc issues. 
Dana Santas, CNN, 19 Aug. 2022 Do not allow your working side shoulder to move forward at the top of each rep, and avoid any lumbar movement. Nick Tumminello, Men's Health, 18 Aug. 2022 The lumbar vertebrae in your low back are not designed for twisting; they are meant to be stable. Dana Santas, CNN, 4 Aug. 2022 The chair is highly adjustable, with an adjustable headrest, armrests, lumbar support, tilt tensioner, and more. Gabrielle Hondorp, Popular Mechanics, 22 July 2022 The chair offers lumbar support and other features that make the chair a comfortable place to sit for the day. Jamie Weissman, Better Homes & Gardens, 15 Apr. 2022 That includes the arms, the seat depth, and the lumbar support. Julian Chokkattu, Wired, 10 Nov. 2021 September 17, 2009 - Undergoes elective back surgery to deal with pain caused from a case of lumbar spinal stenosis. CNN, 19 Jan. 2022 This $2090 upgrade allows the front occupants to adjust things like height and positions, of course, as well as squab inclination and depth, as well as lumbar support level and the side bolsters. Sebastian Blanco, Car and Driver, 13 Nov. 2021 See More
Dana Santas, CNN, 19 Aug. 2022 Do not allow your working side shoulder to move forward at the top of each rep, and avoid any lumbar movement. Nick Tumminello, Men's Health, 18 Aug. 2022 The lumbar vertebrae in your low back are not designed for twisting; they are meant to be stable. Dana Santas, CNN, 4 Aug. 2022 The chair is highly adjustable, with an adjustable headrest, armrests, lumbar support, tilt tensioner, and more. Gabrielle Hondorp, Popular Mechanics, 22 July 2022 The chair offers lumbar support and other features that make the chair a comfortable place to sit for the day. Jamie Weissman, Better Homes & Gardens, 15 Apr. 2022 That includes the arms, the seat depth, and the lumbar support. Julian Chokkattu, Wired, 10 Nov. 2021 September 17, 2009 - Undergoes elective back surgery to deal with pain caused from a case of lumbar spinal stenosis. CNN, 19 Jan. 2022 This $2090 upgrade allows the front occupants to adjust things like height and positions, of course, as well as squab inclination and depth, as well as lumbar support level and the side bolsters. Sebastian Blanco, Car and Driver, 13 Nov. 2021 See More Word History
Etymology
New Latin lumbaris, from Latin lumbus loin — more at loin
First Known Use
circa 1656, in the meaning defined above
Phrases Containing lumbar
Medical Definition
lumbar
adjective
lum·bar ˈləm-bər, -ˌbär
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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