zastruga

/zəˈstruɡə/
noun
  1. A long, wavelike ridge of snow formed by the wind on a flat snow surface, common in polar or windy regions.
    • Wind carved a series of zastruga patterns across the frozen tundra.
    • The explorers had to navigate carefully around the sharp zastruga ridges.
    • The skier struggled to cross the deep zastruga on the glacier.
Synonyms
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