/sas"treuh geuh, sah"streuh-, sa strooh"-, sah-/ , n. , pl. sastrugi /-gee/ .
Usually, sastrugi . ridges of snow formed on a snowfield by the action of the wind.
Also, zastruga .
[ 1830-40; zastrúga, n. deriv. of zastrugát', zastrogát' to plane, shave down (wood), equiv. to za- perfective v. prefix + strugát', strogát' to plane, smooth (wood) ]