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fish ladder

American  

noun

  1. a series of ascending pools constructed to enable salmon or other fish to swim upstream around or over a dam.


fish ladder British  

noun

  1. a row of ascending pools or weirs connected by short falls to allow fish to pass barrages or dams

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of fish ladder

An Americanism dating back to 1860–65

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The body of a man who reportedly slipped and fell into the Stillaguamish River at the Granite Falls fish ladder last month was recovered on Saturday, according to the Snohomish County Sheriff’s Office.

From Seattle Times ● Jun. 3, 2024

Often adult Chinook salmon looking to spawn will cycle through the fish ladder multiple times or wait upstream for weeks, losing energy and risking attacks from predators, she said.

From Seattle Times ● Feb. 18, 2024

During and after the record-breaking heat wave of 2021, dead salmon were observed in the Locks’ fish ladder.

From Seattle Times ● Feb. 18, 2024

It is a major tourist attraction in Seattle, also featuring a salmon fish ladder and the Carl S. English Jr. Botanical Gardens.

From Seattle Times ● Aug. 4, 2023

If your idea of fish passage is the Ballard Locks fish ladder, think again.

From Seattle Times ● May 17, 2023

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