What is "millponds"

Usage examples of "millponds".

Radiating outward from the manor-house and its fields and gardens and parks were zone after zone of agricultural and industrial compounds, the farms and the homes of the farmers over here, the factories over there, the mills and millponds, the barns, the stables, the workers’ quarters and the commercial sectors that served them, and everything else that went to make up the virtually self-sufficient economic unit that was a Great House.

Yet wights still roamed, haunting inglenooks and millponds, lurking beneath hearthstones, inhabiting wells.

They’ve got millponds behind dams, and overshot wheels with gear trains.

Apart from the matter of security, it would involve either moving the mill or a lot of digging of millponds and building of dams and spillways.