noun
argot
AR-gut/ˈɑːrɡət/
Specialized slang or jargon used by a particular group.
This skate zine uses the argot of the skating community.

Etymology
French argot first named a company of beggars, then the concealing jargon of rogues and thieves. The modern sense extends this group-language association beyond those circles; the word’s deeper origin is unknown.
More examples
- New cooks quickly learn the argot of a busy restaurant kitchen.
- The novel captures the argot of jazz musicians.
- She explains the traders’ argot in words everyone can understand.
Forms
argot · argots