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(building construction)
A vertical pipe that leads water from a roof drain or gutter down to the ground or a cistern. Also known as downcomer; leader.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.


A vertical pipe that carries water from the roof gutters to the ground or cistern.
Illustrated Dictionary of Architecture Copyright © 2012, 2002, 1998 by The McGraw-Hill Companies, Inc. All rights reserved

downspout, conductor, downcomer, downpipe, leader, rain leader, rainwater pipe

A vertical pipe, often of sheet metal,
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
#3 Consider burying the downspouts and drainpipes to prevent environmental damage.
The only other addition to the system was to add wire mesh over the top of the downspout to keep out leaves.
Start by removing the old downspout. Use the new 3 x 4-in, drop outlet that you buy with your new downspout as a template to trace an outline for the larger hole.
Sells Save the Rain, a diverter that fits all metal and plastic downspouts; $9.95.
If water is gushing from your downspouts and still overflowing the gutters, you should install additional downspouts or replace your standard 2 x 3-in.
To fix the problem, first move the downspout to direct water away from the fence.
Smith placed two rain barrels at a downspout, and directed water from one through an underground spigot to the garden, while retaining water via a second spigot in the other rain barrel for release during dry spells.
Attach an extension to your downspout to channel water farther away from the house.
ft., not including the gutter and downspout. Sound expensive?
Ideally, you could attach the downspout near the outer end of the gutter and drain the water straight down to the ground.