Definition of "sérac" [serac]

• A sharp ridge of ice between crevasses of a glacier (noun)

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• "There were other ways to the summit of K2 via the north side from China, for example, or on a legendary, nearly impossible route on the south face called the Magic Line but the path up the Bottleneck and beneath the serac was the most established route, the easiest, and possibly the safest, as long as the serac remained stable."
• "A field of such pinnacles, jammed together in broken confusion, is called serac-ice"
• "A serac is a column of ice formed by intercepting crevasses on a glacier."