- (North American English also downspout)
a pipe that carries rainwater from the roof of a building to a drain (把雨水從屋頂輸送到下水道的)雨水管,排水管 Topics Houses and homesc2, Buildingsc2 a pipe that carries dirty water or other liquid waste away from a building Topics Houses and homesc2, Buildingsc2(排放建築物内污水的)排水管,洩水管