shuǐ​gōu

gutter

水沟 (水溝) shuǐ​gōu
gutter noun
a channel or ditch along the side of a road or building for rainwater drainage

The roadside ditch was blocked by thick fallen leaves.

sewer noun
a drain or ditch used for carrying off waste water or sewage

Domestic sewage is discharged directly into the village's drainage ditch.

Frequency

Movie subtitles
1.43 per million appears in 1% of films
Written text
2.04 per million

Sources

Definitions
CC-CEDICT