Answer: icesheet

AnswerCrossword Clue
ICESHEET

Polar phenomenon

ICESHEET

Arctic ocean covering

ICESHEET

Kind of glacier

ICESHEET
Greenland feature
ICESHEET
Greenland has one
ICESHEETThe majority of Antarctica
ICESHEETWinter driving hazard
ICESHEETPolar cover
ICESHEETArctic cover
ICESHEETArctic covering
ICESHEETArctic feature
ICESHEETGreenland cover
ICESHEETAntarctic mass
ICESHEETBig part of Greenland