lumbago
nounA painful condition of the lower back, as one resulting from muscle strain or a slipped disk.
To afflict with lumbago.
nounSame as
In pathology, myalgia in the lumbar region.
nounA rheumatic pain in the loins and the small of the back.
nounbackache affecting the lumbar region or lower back; can be caused by muscle strain or arthritis or vascular insufficiency or a ruptured intervertebral disc