Webster's Revised Unabridged Dictionary · 1913

Jargon

Jargon , noun

[French jargon, Old French also gargon, perh. akin to English garrulous, or gargle.]

1.
Confused, unintelligible language; gibberish.
A barbarous jargon. — Macaulay
All jargon of the schools. — Prior
2.
an artificial idiom or dialect; cant language; slang.
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

Jargon (jar"gon) , intransitive verb

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

Jargon , noun

[English jargon, Italian jiargone; perh. from Persian zargūn gold-colored, from zar gold. Compare Zircon.]

(Mineralogy) A variety of zircon. See Zircon.