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).
lumbar lordosis. the normal, anteriorly convex curvature of the lumbar segment of the vertebral column; lumbar lordosis is a secondary curvature of the vertebral column, acquired postnatally as the upright posture is assumed when one learns to walk.Synonym(s): lordosis lumbalis [TA], lumbar flexure.umbar lordosis, the dorsally concave curvature of the lumbar spinal column when seen from the side. Also called lumbar curvature.