We found 19 dictionaries that define the word fish ladder:

General (15 matching dictionaries)

1. fish ladder: Merriam-Webster
2. fish ladder: Oxford Learner's Dictionaries
3. fish ladder: American Heritage Dictionary of the English Language
4. fish ladder: Collins English Dictionary
5. fish ladder: Vocabulary.com
6. fish ladder: Wordnik
7. fish ladder: Wiktionary
8. fish ladder: The Wordsmyth English Dictionary-Thesaurus
9. fish ladder: Infoplease Dictionary
10. Fish ladder, fish ladder: Dictionary.com
11. Fish ladder: Wikipedia, the Free Encyclopedia
12. fish ladder: Rhymezone
13. fish ladder: FreeDictionary.org
14. fish ladder: Mnemonic Dictionary
15. fish ladder: TheFreeDictionary.com

Computing (1 matching dictionary)

16. fish ladder: Encyclopedia

Medicine (1 matching dictionary)

17. online medical dictionary (No longer online)

Slang (1 matching dictionary)

18. fish ladder: Urban Dictionary

Tech (1 matching dictionary)

19. Lake and Water Word Glossary (No longer online)

(Note: See fish_ladders as well.)

Definitions from Wiktionary (fish ladder) ▸ noun:  A structure built on or around dams or locks to facilitate the migration of fish. Similar: fishway, fish steps, salmon ladder, fish pass, leap, hatch, fish garth, fish trap, heck, crawl, more... Opposite: fishway, fish pass, fish steps, fish bypass ▸ Words similar to fish ladder ▸ Usage examples for fish ladder ▸ Idioms related to fish ladder ▸ Wikipedia articles (New!) ▸ Words that often appear near fish ladder ▸ Rhymes of fish ladder ▸ Invented words related to fish ladder