Related Clues:

• Special language
• Gang's slanguage
• Specialized lingo
• Academese, e.g.
• Secret vocabulary
• Slang
• Trade talk?
• Shop jargon
• Trade talk, e.g.
• Lawyerese, e.g.
• Tongue
• Crookspeak
• Specialized idiom
• Computerese, e.g.
• See 15 Down