Meanwhile the sastrugi grew smaller and smaller, and finally they disappeared altogether, and the surface became quite flat.
The South Pole, Volumes 1 and 2|Roald Amundsen
What the course was we did not care as we steered by the sastrugi.
The Home of the Blizzard|Douglas Mawson
They pointed, like the Sastrugi, or snow-waves of the Siberians, to the marchers of the lost company.
Adrift in the Arctic Ice Pack|Elisha Kent Kane
The effect of constant abrasion upon the snow's surface is to harden it, and, finally, to carve ridges known as sastrugi.
The Home of the Blizzard|Douglas Mawson
A mirage made the sastrugi appear to be dancing like some ice-goblins.
South!|Sir Ernest Shackleton
sastrugi
[ să-strōō′gə, sä′strə- ]
Long, wavelike ridges of snow, formed by the wind and found on the polar plains. Sastrugi are usually up to several meters high and are often parallel to the prevailing wind direction.