drainpipe /ˈdreɪnˌpaɪp/ noun plural drainpipes
plural drainpipes
Learner's definition of DRAINPIPE
[count]
1
: a pipe that carries rainwater from the roof of a building to the ground : downspout(把雨水从屋顶排到地面的)雨水管,排水管 2
US : a pipe that carries liquid waste and water away from buildings(把废水排出建筑物的)排水管,排污管 — see picture at plumbing