The Collaborative International Dictionary of English v.0.48:

Jargon \Jar"gon\, n. [E. jargon, It. jiargone; perh. fr. Pers.
   zarg[=u]n gold-colored, fr. zar gold. Cf. Zircon.] (Min.)
   A variety of zircon. See Zircon.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Jargon \Jar"gon\, n. [F. jargon, OF. also gargon, perh. akin to
   E. garrulous, or gargle.]
   1. Confused, unintelligible language; gibberish. "A barbarous
      jargon." --Macaulay. "All jargon of the schools." --Prior.
      [1913 Webster]

   2. Hence: an artificial idiom or dialect; cant language;
      slang. Especially, an idiom with frequent use of informal
      technical terms, such as acronyms, used by specialists.
      "All jargon of the schools." --Prior.
      [1913 Webster]

            The jargon which serves the traffickers. --Johnson.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Jargon \Jar"gon\ (j[aum]r"g[o^]n), v. i. [imp. & p. p.
   Jargoned (-g[o^]nd); p. pr. & vb. n. Jargoning.]
   To utter jargon; to emit confused or unintelligible sounds;
   to talk unintelligibly, or in a harsh and noisy manner.
   [1913 Webster]

         The noisy jay,
         Jargoning like a foreigner at his food.  --Longfellow.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Zircon \Zir"con\, n. [F., the same word as jargon. See Jargon
   a variety of zircon.]
   1. (Min.) A mineral consisting predominantly of zirconium
      silicate (Zr2SiO4) occurring in tetragonal crystals,
      usually of a brown or gray color. It consists of silica
      and zirconia. A red variety, used as a gem, is called
      hyacinth. Colorless, pale-yellow or smoky-brown
      varieties from Ceylon are called jargon.
      [1913 Webster +PJC]

   2. an imitation gemstone made of cubic zirconia.
      [PJC]

   Zircon syenite, a coarse-grained syenite containing zircon
      crystals and often also elaeolite. It is largely developed
      in Southern Norway.
      [1913 Webster]

WordNet (r) 3.0 (2006):

jargon
    n 1: a characteristic language of a particular group (as among
         thieves); "they don't speak our lingo" [syn: slang,
         cant, jargon, lingo, argot, patois, vernacular]
    2: a colorless (or pale yellow or smoky) variety of zircon [syn:
       jargoon, jargon]
    3: specialized technical terminology characteristic of a
       particular subject

Moby Thesaurus II by Grady Ward, 1.0:

119 Moby Thesaurus words for "jargon":
   Aesopian language, Babel, Beach-la-mar, Greek, Kitchen Kaffir,
   Oregon Jargon, Sabir, abracadabra, absurdity, amphigory, argot,
   auxiliary language, babble, babblement, balderdash, bavardage,
   bibble-babble, blabber, blather, bombast, bosh, bull, bunk, cackle,
   cant, chatter, cipher, claptrap, code, colloquialize, crap, creole,
   creole language, creolized language, cryptogram, dialect,
   dictionary, double Dutch, double-talk, drivel, drool,
   fiddle-faddle, fiddledeedee, flapdoodle, flummery, folderol, fudge,
   fustian, gab, gabble, galimatias, gammon, garbage, garble, gibber,
   gibberish, gibble-gabble, gift of tongues, glossolalia,
   gobbledygook, hocus-pocus, hogwash, humbug, idiom, interlanguage,
   jabber, jabberwocky, jargonize, jumble, koine, language, lexicon,
   lingo, mumbo jumbo, narrishkeit, niaiserie, noise, nonsense,
   pack of nonsense, palaver, parlance, patois, patter, phraseology,
   pidgin, pidgin English, piffle, prate, prattle, rant, rigamarole,
   rigmarole, rodomontade, rot, rubbish, scatology, scramble,
   secret language, skimble-skamble, slang, speak, speech,
   stuff and nonsense, stultiloquence, taboo language, talk,
   talkee-talkee, trade language, trash, trumpery, twaddle, twattle,
   twiddle-twaddle, use language, vaporing, vernacular, vocabulary,
   vulgar language, waffling



The Free On-line Dictionary of Computing (30 December 2018):

jargon

    Language specific to some field of human
   endeavour, in this case, computing, that might not be understood
   by those outside that area.

   This dictionary contains many examples of jargon
   (/contents/jargon.html).

   The Jargon File is the definitive collection of computing
   jargon.

   (2014-09-01)