1. structures built to allow fish to pass around or through dams and other barriers in waterways
Usage: plural of fishway; environmental engineering

Examples

• The new dam includes fishways to help salmon reach their spawning grounds.
• Engineers designed multiple fishways to accommodate different fish species.
• The fishways allowed trout to migrate upstream despite the concrete barrier.
• Environmental groups advocated for better fishways in the river system.
• The old dam was retrofitted with modern fishways to restore fish populations.
• Biologists monitored the effectiveness of the newly constructed fishways.