from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Variant of sastruga.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Any of a series of long, wavelike ridges or grooves formed on a snow surface by the wind, especially in polar plains.
from The Century Dictionary and Cyclopedia
- n. One of a series of ridges, with corresponding depressions, rising in wave-like succession above the general level of the snow when this has been blown across by a long-continued wind.
From Russian заструга (zastruga) (Wiktionary)
The word is of Russian derivation (from zastruga [sing.], zastrugi