Other forms: downpipes
A downpipe is the vertical pipe taking roof water to the ground. Clear the downpipe.
A blocked one sends water down the wall instead, which is how damp starts in most houses. A downpipe should discharge into a drain rather than onto the ground beside a wall.
1noundownpipeThe vertical pipe taking roof water to the ground.
“The downpipe had been blocked with moss since the summer.”
downpipe is a pipe.
Down plus pipe; the older British term was rainwater pipe, and downpipe has largely replaced it.
From down + pipe.
Etymology from Wiktionary, CC BY-SA