The Collaborative International Dictionary
Lumbal
Lumbar \Lum"bar\, Lumbal \Lum"bal\, a. [L. lumbus loin. See Loin.] (Anat.) 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 iliac regions, and outside of the umbilical region.
Wiktionary
lumbal
a. (context anatomy English) (alternative form of lumbar English)