Pronunciation: (är'gō, -gut), [key]
1. a specialized idiomatic vocabulary peculiar to a particular class or group of people, esp. that of an underworld group, devised for private communication and identification: a Restoration play rich in thieves' argot.
2. the special vocabulary and idiom of a particular profession or social group: sociologists' argot.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.