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 lumbaris, from Latin lumbus, loin.