downspout

[ doun-spout ]
/ ˈdaʊnˌspaʊt /

noun

a pipe for conveying rain water from a roof or gutter to the ground or to a drain.
Also called drainspout; British, downpipe.

Origin of downspout

First recorded in 1895–1900; down1 + spout

British Dictionary definitions for downspout

downspout
/ (ˈdaʊnˌspaʊt) /

noun

US and Canadian a pipe for carrying rainwater from a roof gutter to the ground or to a drain Also called: drainpipe, (in Britain and certain other countries) downpipe