Fishway

Full definition of fishway

Noun

1. A structure built on or around dams or locks to faciliate the migration of fish.
• 1997, J. H. L'Abée-Lund & J. E. Brittain, "Weir construction as environmental mitigation in Norwegian hydropower schemes", Hydropower '97, pages 51-54.The weir must not represent a physical barrier to fish migration, both locally and throughout the whole river system. If necesary, a fishway is included in the weir.

Synonyms

• fish ladder