PEDIMENT n.
Originally, in classical architecture, the triangular space forming the gable of a simple roof; hence, a similar form used as a decoration over porticoes, doors, windows, etc.; also, a rounded or broken frontal having a similar position and use. See Temple.
ABECEDARIAN; ABECEDARY a.
Pertaining to, or formed by, the letters of the alphabet; alphabetic; hence, rudimentary. Abecedarian psalms, hymns, etc., compositions in which (like the 119th psalm in Hebrew) distinct portions or verses commence with successive letters of the alphabet. Hook.