Webster’s Revised Unabridged Dictionary · 1913
Jargon
Jar′gon (jär′gŏn), n. [F. jargon, OF. also gargon, perh. akin to E. garrulous, or gargle.] Confused, unintelligible language; gibberish; hence, an artificial idiom or dialect; cant language; slang. "A barbarous jargon." Macaulay. "All jargon of the schools." Prior.
The jargon which serves the traffickers. Johnson.
Jar′gon (jär′gŏn), v. 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.
Jar′gon, n. [E. jargon, It. jiargone; perh. fr. Pers. zargūn gold-colored, fr. zar gold. Cf. Zircon.] (Min.) A variety of zircon. See Zircon.