LUMBAR
lumbar
(adjective) of or relating to or near the part of the back between the ribs and the hipbones; “lumbar vertebrae”
Source: WordNet® 3.1
Etymology
Adjective
lumbar (not comparable)
Related to the lower back or loin, specifically the five vertebrae between the rib cage and the pelvis.
Noun
lumbar (plural lumbars)
(informal) The lumbar region.
Synonym: lower back
A lumbar vertebra.
Anagrams
• Labrum, brumal, labrum, umbral
Source: Wiktionary
Lum"bar, Lum"bal, a. Etym: [L. lumbus loin. See Loin.] (Anat.)
Definition: Of, pertaining to, or near, the loins; as, the lumbar arteries.
Lumbar region (Anat.), the region of the loin; specifically, a region
between the hypochondriac and ilias regions, and outside of the
umbilical region.
Source: Webster’s Unabridged Dictionary 1913 Edition