fishway
nounEtymology From fish + way.
1
A structure built on or around dams or locks to facilitate the migration of fish.
- 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:
- Synonyms
- fish ladder