The Collaborative International Dictionary of English v.0.48:

Cyclopedia \Cy`clo*pe"di*a\ Cyclopaedia
\Cy`clo*p[ae]"di*a\(s?`kl?-p?"d?-?), n. [NL., from Gr. ky`klos
   circle + paidei`a the bringing up of a child, education,
   erudition, fr. paidey`ein to bring up a child. See Cycle,
   and cf. Encyclopedia, Pedagogue.]
   1. The circle or compass of the arts and sciences
      (originally, of the seven so-called liberal arts and
      sciences); circle of human knowledge.
      [1913 Webster]

   2. Hence: A work containing, in alphabetical order,
      information in all departments of knowledge, or on a
      particular department or branch; as, a cyclopedia of the
      physical sciences, or of mechanics; an encyclopedia. See
      Encyclopedia.
      [PJC]

WordNet (r) 3.0 (2006):

cyclopedia
    n 1: a reference work (often in several volumes) containing
         articles on various topics (often arranged in alphabetical
         order) dealing with the entire range of human knowledge or
         with some particular specialty [syn: encyclopedia,
         cyclopedia, encyclopaedia, cyclopaedia]

Moby Thesaurus II by Grady Ward, 1.0:

34 Moby Thesaurus words for "cyclopedia":
   atlas, bibliography, body of knowledge, body of learning, calendar,
   casebook, catalog, catalogue raisonne, city directory,
   classified catalog, concordance, diatesseron, dictionary catalog,
   directory, encyclopedia, gazetteer, harmony, index, literature,
   lore, materials, phone book, polyglot, publications, record book,
   reference book, source book, store of knowledge, studbook,
   system of knowledge, telephone book, telephone directory,
   treasury of information, work of reference