DCHP-1 Online
fishway † 
n. an artificial lock built to assist fish in passing a waterfall or other obstruction on their way upstream to spawn.
See also: fish pass
- 1866 Were this carried out, and, as the Superintendent says, all the mill-dams removed, or fishways constructed adjacent to them, protection being also afforded to spawning fish, most of the rivers in this district would ere long be plentifully stocked with salmon once more.
- 1950 Essentially the Gate fishway was to consist of two gigantic concrete flumes, one on each side of the canyon, through which the water would flow quietly enough to offer the fish sure passage.
- 1961 [The Commission] completed a fishway around Hell's Gate barrier.
- 1866 Were this carried out, and, as the Superintendent says, all the mill-dams removed, or fishways constructed adjacent to them, protection being also afforded to spawning fish, most of the rivers in this district would ere long be plentifully stocked with salmon once more.