A pond positioned beside a canal lock in such a way that water can flow into or out of it when the lock is operated.
More example sentences
- The water from descending boats is stored in the side ponds for the use of ascending boats.
- This side pond with sluice is an interesting feature to be found by the top of the top lock at Carreghofa.
- Despite its huge side ponds, this flight of broad locks has a history of dire water shortages.