[abe.ce.dar.i.an] n [ME abecedary, fr. ML abecedarium alphabet, fr. LL, neut. of abecedarius of the alphabet, fr. the letters a + b + c + d] (1603): one learning the rudiments of something (as the alphabet)
[2]abecedarian adj (1665) 1 a: of or relating to the alphabet b: alphabetically arranged
2: rudimentary