dam
noun
A dam is a barrier built across a river, stream, or other body of water to hold back and control the flow of water. Dams are typically constructed for a variety of purposes, including hydroelectric power generation, irrigation, flood control, and water storage.
Example
- The beavers worked tirelessly to build a dam across the stream to create a pond.
- Heavy rains caused the river to swell and breach the dam, causing widespread flooding in the town.
- The construction of the dam had a significant impact on the migration patterns of fish in the river.