Definition of "argot" in English

noun

1. A secret language or conventional slang peculiar to thieves, tramps and vagabonds.

2. The specialized informal vocabulary and terminology used between people with special skill in a field, such as between doctors, mathematicians or hackers.

   • The conversation was in the argot of the trade, full of acronyms and abbreviations that made no sense to the uninitiate.

3. A strongly marked style of speaking.