海岸線
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Meanings
1
coastline; shoreline
Refers to the line where land meets sea; used in geography, maps, and general description.
Japan's coastline is very long.
I traced the coastline on the map.
2
coastal railway line
Specifically a railway line that runs along the coast; often used in station names or route descriptions.
You can see the ocean from the train running on the coastal line.
Usage patterns
- 海岸線に沿って〈動詞〉to do something along the coastline
This road continues along the coastline.
- 海岸線を走る(a train) runs along the coastal railway line
This train runs along the coastal railway line.
- 海岸線が続くthe coastline stretches on
The beautiful coastline stretches on for kilometers.