The definition of argot is a special or secret language or jargon used by two or more people.
An example of argot is pig latin.
the specialized vocabulary and idioms of those in the same work, way of life, etc., as the language used by computer hackers
Origin of argotFrench origin, originally (in thieves' jargon), the company of beggars (argoter, to beg, probably ; from ergot, claw, spur, hence origin, originally , “get one's claws into”)
A specialized vocabulary or set of idioms used by a particular group: thieves' argot.
Origin of argotFrench, from earlier argot, underworld of beggars and thieves, of unknown origin. Usage Note: The pronunciation of argot as (&adie;r′g&schwa;t) was long considered acceptable and has historically been included in most dictionaries. However, it is falling out of favor; in our 2005 survey, 75 percent of the Usage Panel found that pronunciation unacceptable.