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Webster 1913 Edition
Jargon
Jar′gon
,Noun.
 [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. 
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. 
The 
 jargon 
which serves the traffickers. Johnson.
Jar′gon
(jär′gŏn)
, Verb.
 I.
 [
imp. & p. p. 
Jargoned 
(-gŏnd)
; p. pr. & vb. n. 
Jargoning
.] To utter jargon; to emit confused or unintelligible sounds; to talk unintelligibly, or in a harsh and noisy manner. 
The noisy jay,
 Jargoning 
like a foreigner at his food. Longfellow.
Webster 1828 Edition
Jargon
J`ARGON
, n.1.
  Confused, unintelligible talk or language; gabble; gibberish; cant. All jargon of the schools.
2.
  A mineral, usually of a gray or greenish white color, in small irregular grains, or crystallized in quadrangular prisms surmounted with pyramids, or in octahedrons consisting of double quadrangular prisms.  [See Zircon.]