cookie spread?

"However, soft wheat quality has to this date been defined on the basis of some standard tests such as break flour yield, particle size index, alkaline water retention capacity, and cookie spread and diameter."
http://stars.kansas.net/iwqc/keyedwa.htm

"One of the quality tests for soft wheat flour is the "cookie spread test, which is one measure of this."
http://www.nursehealer.com/SD1.htm