Millpond (noun)

A pond or small lake used to power a watermill.

Origin:

Derived from the word "mill" meaning "a building used for grinding grain" and "pond" meaning "a small lake or pool of water". the term refers to a pond or small lake used to power a watermill.

Examples:

1. The millpond was created by damming the stream to provide a steady flow of water to the mill.
2. The calm surface of the millpond belied the power of the water rushing through the mill's wheel.
3. Fishing in the millpond was a popular pastime for local residents.
4. The millpond provided a picturesque setting for the old gristmill.
5. The water level in the millpond needed to be carefully monitored to ensure the mill's wheel had enough water to operate efficiently.