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

The Free On-line Dictionary of Computing (19 January 2023):

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)