Explore Words Kanji Grammar Guides

Copyright © 2026 Kotomora. All Rights Reserved.

Get the Kotomora apps for iOS and Android.

Explore Words Kanji Grammar Guides About Support Privacy

Copyright © 2026 Kotomora. All Rights Reserved.

排水溝 (はいすいこう) Japanese meaning | Kotomora

排はい水すい溝こう

は

い

す

い

こ

う

Meanings

1

drainage ditch; gutter; drain

Refers to a constructed channel or trench for carrying off water, such as a roadside gutter or a drainage ditch.

道どう路ろの排はい水すい溝こうが詰つまっている

。

The roadside gutter is clogged.

大おお雨あめで排はい水すい溝こうから水みずがあふれた。

Water overflowed from the drainage ditch due to heavy rain.

Kanji

排repudiate, exclude, expel
水water
溝gutter, ditch, sewer

Related words

下げ水すい道どうN2
排水溝 is a small, local drainage ditch or gutter, while 下水道 is the larger municipal sewer network it often feeds into.

Don't confuse with

どぶ
排水溝 is the neutral technical term for a drainage channel or gutter, while どぶ implies the same thing but with a dirty, malodorous connotation.

Etymology

Compound of 排水 (drainage) + 溝 (ditch, gutter).