Dry Exchange
The Cyclopedic Law Dictionary · Walter A. Shumaker and George Foster Longsdorf; ed. James C. Cahill · 1922
The Cyclopedic Law Dictionary
A term Invented for disguising and covering usury, in which something was pretended to pass on both sides, when in truth nothing passed on one side) whence it was called "dry."
St. 3 Hen.