Abecedarian

A·be·ce·da·ri·an

Abecedarian

n.
  1. One who is learning the alphabet; hence, a tyro.
  2. One engaged in teaching the alphabet.

Abecedarian

a.
  1. Pertaining to, or formed by, the letters of the alphabet; alphabetic; hence, rudimentary.

Phrases & Compounds
Abecedarian psalms, hymns
compositions in which (like the 119th psalm in Hebrew) distinct portions or verses commence with successive letters of the alphabet.