#1 jargon n. [slang, cant, lingo, argot, patois, vernacular] a characteristic language of a particular group (as among thieves); "they don't speak our lingo". wn
#2 jargon n. [jargoon] a colorless (or pale yellow or smoky) variety of zircon. wn
#3 jargon n. specialized technical terminology characteristic of a particular subject. wn
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