NOUN (2)

1. a novice learning the rudiments of some subject;

2. a 16th century sect of Anabaptists centered in Germany who had an absolute disdain for human knowledge;


ADJECTIVE (1)

1. alphabetically arranged (as for beginning readers);

The Collaborative International Dictionary of English v.0.48:

Abecedarian \A`be*ce*da"ri*an\, n. [L. abecedarius. A word from
   the first four letters of the alphabet.]
   1. One who is learning the alphabet; hence, a tyro.
      [1913 Webster]

   2. One engaged in teaching the alphabet. --Wood.
      [1913 Webster] Abecedarian

The Collaborative International Dictionary of English v.0.48:

Abecedarian \A`be*ce*da"ri*an\, Abecedary \A`be*ce"da*ry\, a.
   Pertaining to, or formed by, the letters of the alphabet;
   alphabetic; hence, rudimentary.
   [1913 Webster]

   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.
      [1913 Webster]

WordNet (r) 3.0 (2006):

abecedarian
    adj 1: alphabetically arranged (as for beginning readers)
    n 1: a novice learning the rudiments of some subject
    2: a 16th century sect of Anabaptists centered in Germany who
       had an absolute disdain for human knowledge

Moby Thesaurus II by Grady Ward, 1.0:

124 Moby Thesaurus words for "abecedarian":
   aboriginal, allographic, alphabetarian, alphabetic, antenatal,
   apprentice, articled clerk, autochthonous, beginner, beginning,
   boot, budding, capital, catechumen, certified teacher, creative,
   dabbler, debutant, dilettante, docent, doctor, dominie, don,
   educationist, educator, elemental, elementary, embryonic, entrant,
   fellow, fetal, fledgling, formative, foundational, freshman,
   fundamental, gestatory, graphemic, greenhorn, guide, guru,
   ideographic, ignoramus, in embryo, in its infancy, in the bud,
   inaugural, inceptive, inchoate, inchoative, incipient, incunabular,
   inductee, infant, infantile, initial, initiate, initiative,
   initiatory, instructor, introductory, inventive, lettered,
   lexigraphic, literal, logogrammatic, logographic, lower-case,
   maestro, majuscule, master, melamed, mentor, minuscular, minuscule,
   mullah, nascent, natal, neophyte, new boy, newcomer,
   nonprofessional, novice, novitiate, original, pandit, parturient,
   pedagogist, pedagogue, pictographic, postnatal, postulant,
   preceptor, pregnant, prenatal, primal, primary, prime, primeval,
   primitive, primogenial, probationer, probationist, procreative,
   professor, pundit, rabbi, raw recruit, recruit, rookie, rudimental,
   rudimentary, schoolkeeper, schoolmaster, schoolteacher, smatterer,
   starets, teacher, tenderfoot, transliterated, tyro, uncial,
   upper-case, ur