|1.||anatomy Also called: lumbus the part of the lower back and sides between the pelvis and the ribsRelated: lumbar|
|2.||a cut of meat from this part of an animal|
|[C14: from Old French loigne, perhaps from Vulgar Latin lumbra (unattested), from Latin lumbus loin]|
The part of the body on either side of the spinal column between the ribs and the pelvis.
gird one's loins
Also, gird up one's loins. Prepare oneself for action, as in I'm girding up my loins for that crucial interview. This expression comes from the Bible (Proverbs 31:17) and originally alluded to tucking up the traditional long robe into a girdle (that is, a belt) so it will not hamper physical activity. [c. 1600]