1. vertical pipes that carry rainwater from roof gutters down to ground level or drainage systems
Usage: plural of downpipe; British English term

Examples

• The downpipes were clogged with leaves after the storm.
• We need to replace the old downpipes before winter.
• The contractor installed new downpipes along the side of the house.
• Water overflowed from the gutters because the downpipes were blocked.
• The downpipes direct rainwater away from the foundation.
• Regular maintenance of downpipes prevents water damage to buildings.