Definition of "sastrugi" [sas•tru•gi]

• Plural form of sastruga. (noun)

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• "Driving vehicles over the sastrugi is pretty bad for tracks, towbars and tank runners."
• "This area of the ice cap was covered with a layer of scalloped snow, what was called sastrugi, little curled waves of frozen snow formed by winds and erosion."
• "The windblown snow, called sastrugi, is exceptionally hard and jostles and tosses the snow machines with every little bump."