The Collaborative International Dictionary of English v.0.48:

Glossary \Glos"sa*ry\, n.; pl. Gossaries. [L. glossarium, fr.
   glossa: cf. F. glossaire. See 3d Gloss.]
   A collection of glosses or explanations of words and passages
   of a work or author; a partial dictionary of a work, an
   author, a dialect, art, or science, explaining archaic,
   technical, or other uncommon words.
   [1913 Webster]

WordNet (r) 3.0 (2006):

glossary
    n 1: an alphabetical list of technical terms in some specialized
         field of knowledge; usually published as an appendix to a
         text on that field [syn: glossary, gloss]

Moby Thesaurus II by Grady Ward, 1.0:

54 Moby Thesaurus words for "glossary":
   amplification, bilingual text, biographical dictionary,
   chemical dictionary, clavis, crib, decipherment, decoding,
   desk dictionary, dialect dictionary, dictionary,
   dictionary of quotations, electronics dictionary,
   etymological dictionary, faithful translation,
   foreign-language dictionary, free translation, gazetteer,
   general dictionary, geological dictionary, gloss, gradus,
   interlinear, interlinear translation, key, lexicon,
   loose translation, metaphrase, nomenclator, onomasticon,
   paraphrase, phrase book, polyglot dictionary, pony, promptorium,
   restatement, rewording, rhyming dictionary, science dictionary,
   slang dictionary, specialized dictionary, synonym dictionary,
   synonymy, terminology, thesaurus, transcription, translation,
   transliteration, treasury of words, trot, unabridged dictionary,
   vocabulary, word list, wordbook