Here are the possible solutions for waterwheel source perhaps clue
Answer
Clue
Relevancy
millpond
Clue
Waterwheel source, perhaps
Definition
a pool formed by damming a stream to provide water to turn a millwheel
millrun
Clue
Waterwheel power source
Definition
the current of water that drives a mill wheel, also MILLRACE
noria
Clue
Waterwheel
Definition
(Arabic) esp. in Spain and the East, a device for raising water from a stream etc., consisting of a chain of pots or buckets, revolving round a wheel driven by the water current
