Source : Webster's Revised Unabridged Dictionary (1913)

Nomenclature \No"men*cla`ture\, n. [L. nomenclatura: cf. F.
   nomenclature. See {Nomenclator}.]
   1. A name. [Obs.] --Bacon.

   2. A vocabulary, dictionary, or glossary. [R.]

   3. The technical names used in any particular branch of
      science or art, or by any school or individual; as, the
      nomenclature of botany or of chemistry; the nomenclature
      of Lavoisier and his associates.

Source : WordNet®

nomenclature
     n : a system of words used in a particular discipline; "legal
         terminology"; "the language of sociology" [syn: {terminology},
          {language}]