Answer: millrun

AnswerCrossword Clue
MILLRUNWater wheel's channel
MILLRUNStraight from the factory
MILLRUNSite of Wright's Fallingwater house
MILLRUNAverage
millrunthe process of milling an ore or rock in order to determine the content or quality of the mineral
millrunthe current of water that drives a mill wheel, also MILLRACE
millrunthe mineral so examined
millrun(of commodities) taken straight from the production line; unsorted as to quality