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fish ladder
noun
: a series of pools arranged like steps by which fish can pass over a dam in going upstream
Examples of fish ladder in a Sentence
Recent Examples on the Web
In August, the National Oceanic and Atmospheric Administration allocated $3 million for salmon restoration, Merkley said, with another $11.5 million going to the Oregon Department of Fish and Wildlife to improve fish ladder passages on the two dams remaining on the river.
—Debra Utacia Krol, The Arizona Republic, 12 Oct. 2024
Two other dams upriver from the four that were removed, the Link River Dam and the Keno Dam, have fish ladders installed.
—Debra Utacia Krol, USA TODAY, 2 Sep. 2024
From the visitor center’s outdoor platform, visitors can watch the spectacle of salmon and other fish swimming up a fish ladder — steelhead and sockeye salmon in early summer and chinook and coho salmon in September.
—Ben Davidson, The Mercury News, 17 June 2024
There are now thousands of dams throughout the Mississippi River Basin, most of which lack fish ladders or other structures allowing for fish passage.
—Dac Collins, Outdoor Life, 24 Apr. 2024
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Word History
First Known Use
1864, in the meaning defined above
Dictionary Entries Near fish ladder
Cite this Entry
“Fish ladder.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fish%20ladder. Accessed 6 Nov. 2024.
Kids Definition
fish ladder
noun
: an arrangement of pools by which fish can pass around a dam
More from Merriam-Webster on fish ladder
Britannica.com: Encyclopedia article about fish ladder
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