downpipe
nounUK /ˈdaʊn.paɪp/
US /ˈdaʊn.paɪp/
A downpipe is a tube that carries rainwater from the roof down to the ground.
The rain ran off the roof and gushed out of the downpipe.
OTHER MEANINGS
2. A pipe that carries exhaust gases away from an engine, especially in motorcycles or cars.
He fitted a new downpipe to make the motorbike sound louder.
3. A vertical pipe in a building that carries waste water down from upper floors.
The plumber replaced the rusty downpipe behind the kitchen wall.
4. A pipe used to direct smoke or hot gases downward in an industrial furnace or chimney.
The factory's downpipe released steam near the ground.