معنی کلمه :‌ buckthorn

A genus (Rhamnus) of shrubs or trees. The shorter branches of some species terminate in long spines or thorns. See Rhamnus.

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.