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fish ladder

American

noun

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

fish ladder British

noun

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:

fish ladder

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

Watch for fall salmon navigating Bridal Veil Falls via the fish ladder.

From Seattle Times ● Nov. 3, 2022

And with only about 3,500 passing up the fish ladder at the Ballard Locks through June 30, this Lake Washington sockeye return is on track to be the smallest in a half-century.

From Seattle Times ● Jul. 7, 2022

About a dozen state and tribal workers have been stationed at the Locks fish ladder every day this past week, watching and waiting for the sockeye to return.

From Seattle Times ● Jul. 2, 2022

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023