Jargon

Webster's Dictionary

(1): ( n.) Confused, unintelligible language; gibberish; hence, an artificial idiom or dialect; cant language; slang.

(2): ( v. i.) To utter jargon; to emit confused or unintelligible sounds; to talk unintelligibly, or in a harsh and noisy manner.

(3): ( n.) A variety of zircon. See Zircon.