sastruga

(să-stro͞oˈgə, săsˈtrə-, säˈstrə-) also zas·tru·ga (ză-stro͞oˈgə, zä-)

noun pl. sas·tru·gi also zas·tru·gi (-gē)

A long wavelike ridge of snow, formed by the wind and found on the polar plains.

Origin:

Origin: Russian dialectal zastruga

Origin: : za, beyond

Origin: + struga, deep place into which one may fall; see sreu- in Indo-European roots

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