dam

US /dæm/
UK /dæm/
"dam" picture
1.

a barrier constructed to hold back water and raise its level, forming a reservoir used to generate electricity or as a water supply

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The Hoover Dam is a famous landmark.
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They built a new dam across the river.
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barrierembankmentweirdikelevee
1.

build a dam across (a river or stream)

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They plan to dam the river to create a new reservoir.
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The beavers dammed the stream, causing it to overflow.
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blockobstructhold backstemcheck