The AI-powered English dictionary
plural fishways
A structure built on or around dams or locks to facilitate the migration of fish. quotations examples
The weir must not represent a physical barrier to fish migration, both locally and throughout the whole river system. If necessary, a fishway is included in the weir.
1997, J. H. L'Abée-Lund, J. E. Brittain, “Weir construction as environmental mitigation in Norwegian hydropower schemes”, in Hydropower '97, pages 51–54