English Dictionary

sastruga

noun

Any of a series of long, wavelike ridges or grooves formed on a snow surface by the wind, especially in polar plains, and surfaces of ice covered lakes/seas. These dunes of snow may be blown across the plains like wind-driven waves.

I saw a sastruga on the snowy hill.

意味（1）

Any of a series of long, wavelike ridges or grooves formed on a snow surface by the wind, especially in polar plains, and surfaces of ice covered lakes/seas. These dunes of snow may be blown across the plains like wind-driven waves.