1. 
   Sastrugi
   Sas·tru'gi Incorrect, but common, var. of Zastrugi .
   Found op http://www.encyclo.co.uk/webster/S/18
   
   
2. 
   Sastrugi
   • Incorrect, but common, var. of Zastrugi.
   Found op http://thinkexist.com/dictionary/meaning/sastrugi/
   
   
3. 
   sastrugi
   (from the article `glacier`) ...wind, or very hard packed and rough when high winds occur during or after snowfall. Two features are prominent: snow dunes are depositional ...
   Found op http://www.britannica.com/eb/a-z/s/33
   
   

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