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fish ladder

 

Definitions from WordNet

Noun fish ladder has 1 sense
  1. fish ladder - a series of ascending pools providing a passage for salmon to swim upstream past a dam
    --1 is a kind of
    passage

Definitions from the Web

Fish Ladder

A fish ladder is a structure that helps fish to migrate upstream by providing a series of ascending pools or steps with low waterfalls or weirs.

Examples:

As a Noun:

  1. The fish ladder allowed the salmon to bypass the dam and reach their spawning grounds.
  2. Visitors can observe the incredible spectacle of salmon jumping up the fish ladder.
  3. Once built, the fish ladder significantly increased the number of fish returning to the river.

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