lumbar vertebra
noun
: any of the vertebrae situated between the thoracic vertebrae above and the sacrum below that in humans are five in number
Cite this Entry
“Lumbar vertebra.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/lumbar%20vertebra. Accessed 14 Jul. 2025.
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