A mill pond is a body of water used as a reservoir for a water-powered mill.

How does a mill pond work?

The channel or stream leading from the mill pond is the mill race, which together with weirs, dams, channels and the terrain establishing the mill pond, delivers water to the mill wheel to convert potential and/or kinetic energy of the water to mechanical energy by rotating the mill wheel.

Is the saying mill pond or milk pond?

A mill pond is formed by damming a stream to produce sufficient head of water to operate a watermill. Mill ponds are invariably described as smooth or calm. Milk too is smooth, and could be described as calming as well as nutritious.