Felsen
- The word 'felsen' does not have a direct definition in English as it is a German word meaning 'rock' or 'cliff'. In English, it is used primarily in contexts related to geology or geography to describe a large, naturally occurring mass of stone or a steep rock face. nounThe hikers admired the towering felsen as they made their way through the valley.Geologists studied the composition of the felsen to understand the area's geological history.