fish ladder

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

Origin:
1860–65, Americanism

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To fish ladder
Collins
World English Dictionary
fish ladder
 
n
a row of ascending pools or weirs connected by short falls to allow fish to pass barrages or dams

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
Example sentences
The boat whips to the right, and the two gunmen in the bow take aim at a
  culprit near the south fish ladder entrance.
The hatchery has a fish ladder that the salmon go through to get to their final
  destination.
Salmon and steelhead jump over twenty steps to the top of the fish ladder.
The fish ladder design at this ladder is called vertical slot.
Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature