Dap. And will I tell then! By this hand of flesh,
Would it might never write good courthand more,
If discover. What do you think of me,
That I am a chiaus?
Face. What’s that?
Dap. The Turk was, here―
As one would say, do you think I am a Turk?
Face. I’ll tell the doctor so.
Dap. Do, good sweet captain.
Source: wiktionary
The word chouse appears to have been introduced into the language at the beginning of the seventeenth century. In 1609, a Chiaus sent by Sir Robert Shirley, from Constantinople to London, had chiaused (or choused) the Turkish and Persian merchants out of ₤4,000, before the arrival of his employer, and had decamped. The affair was quite recent in 1610, when Jonson's "Alchemist" appeared, in which it is thus alluded to:[…]
Source: wiktionary
The greater part of the Chiaus's do the Duty of Serjeants
Source: wiktionary