1. a structure built to allow fish to swim around or over a dam or other barrier in a river

Examples

• The new fishway will help salmon reach their spawning grounds upstream.
• Engineers designed a fishway to bypass the hydroelectric dam.
• The concrete fishway consists of a series of stepped pools.
• Wildlife officials monitored fish migration through the fishway.
• Construction of the fishway was completed before salmon season.
• The fishway allows trout to navigate around the waterfall naturally.