A structure built to hold back or regulate water, typically in a river valley; also used in compounds such as ダム湖 for the reservoir created by a dam.
The water level of the dam rose because of the heavy rain.
There is a large dam upstream on this river.
A new dam is planned to be built on this river.
There is a risk that the dam will burst due to heavy rain.
They released water from the dam in preparation for the typhoon.
landslide dam
tailings dam