Jisho

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Noun
1. rift valley
Wikipedia definition
2. GrabenIn geology, a graben is a depressed block of land bordered by parallel faults. Graben is German for ditch or trench. Graben is used for both the singular and plural. A graben is the result of a block of land being downthrown producing a valley with a distinct scarp on each side. Graben often occur side-by-side with horsts. Horst and graben structures are indicative of tensional forces and crustal stretching.
Read “Graben” on English Wikipedia
Read “地溝” on Japanese Wikipedia
Read “Graben” on DBpedia

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