noun🔗ShareCirco glaciarA valley head created through glacial erosion and with a shape similar to an amphitheatre."Hiking up the mountain, we were rewarded with a stunning view of the cwm, a natural amphitheater carved into the rock by ancient glaciers. "Al subir la montaña, fuimos recompensados con una vista impresionante del circo glaciar, un anfiteatro natural tallado en la roca por antiguos glaciares.geologygeographynatureChat with AIVocabulary GamePractice Reading