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).
Definition. noun, plural: homeotic genes. A developmental gene that specifies the anterior-posterior axis, as well as segment identity during the early embryonic development of certain organisms, such as metazoans.oun, plural: homeotic genes. A developmental gene that specifies the anterior-posterior axis, as well as segment identity during the early embryonic development of certain organisms, such as metazoans.