Meaning of jargon

jar•gon

1. the language, esp. the vocabulary, peculiar to a particular trade, profession, or group: medical jargon.
2. unintelligible or meaningless talk or writing; gibberish.
3. any talk or writing that one does not understand.
4. pidgin.
5. language that is characterized by uncommon or pretentious vocabulary and convoluted syntax and is often vague in meaning.

1. to speak in or write jargon; jargonize.

jar•gon

1. a colorless to smoky gem variety of zircon.