jargon

n. professional vocabulary, words used by a specific group or profession; gibberish, unintelligible words or writing; pidgin, language which has been corrupted or simplified from its original form; colorless or smoky kind of zircon

Jargon is terminology that relates to a specific activity, profession or group. Much like slang it develops as a kind of shorthand, to express ideas that are frequently discussed between members of a group. In many cases a standard term may be given a more precise or specialized usage among practicioners of a field.
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n. cant, jargon, slang, lingo, language characteristic of a certain group or class of people

n. jargon, lingo; patter, vernacular

n. jargon, professional vocabulary, words used by a specific group or profession