Translation guide
A culvert is a tunnel or pipe that carries water under a road, railway, or embankment. In Japanese, the most common and natural term is 暗渠 (あんきょ), but other words exist depending on context and technicality.
The learner wants to refer to a culvert in everyday or general contexts, such as a pipe under a road.
The standard Japanese word for a culvert, meaning a covered drain or underground water channel. Used in both everyday and technical contexts.
A culvert is buried under the road.
Loanword from English, used in engineering and construction contexts. Understandable but less common than 暗渠 in general speech.
This culvert is deteriorating.
Literally 'drainage pipe'. Can refer to a culvert pipe specifically, but is a broader term for any drainage pipe. Use when emphasizing the pipe aspect.
The drainage pipe is clogged.
The learner wants to refer to a smaller, often open or covered drainage channel, like a roadside ditch.
The learner wants to describe a large-scale culvert, such as a major underground waterway.
暗渠 is the standard Japanese word and is understood by everyone. カルバート is a technical loanword used mainly by engineers. In everyday conversation, stick with 暗渠.
Clean the drainage ditch.
Specifically refers to culvert drainage systems, often used in agricultural or civil engineering contexts.
Install culvert drainage in the farmland.