of or near the loins; specif., designating or of the vertebrae, nerves, arteries, etc. in the part of the back just below the thoracic region
Origin of lumbarModern Latin lumbaris from Classical Latin lumbus, loin from Indo-European an unverified form londhwos from base an unverified form lendh- from source Old English lendenu, loins
Of, near, or situated in the part of the back and sides between the lowest ribs and the pelvis.
A lumbar artery, nerve, vertebra, or part.
Origin of lumbarNew Latin lumbāris from Latin lumbus loin