smock. 1  a loose, lightweight overgarment worn to protect the clothing while working. 2  to clothe in a smock. 3  to draw (a fabric) by needlework into a honeycomb pattern with diamond-shaped recesses.
The term lordosis refers to the normal inward lordotic curvature of the lumbar and cervical regions of the spine. Excessive curvature of the lower back is known as lumbar hyperlordosis, commonly called hollow back or saddle back (after a similar condition that affects some horses).
Everyoneâs spine curves a little in your neck, upper back, and lower back. These curves, which create your spineâs S shape, are called the lordotic (neck and lower back) and kyphotic (upper back). Lordosis refers to your natural lordotic curve, which is normal.