Answer: icefall

AnswerCrossword Clue
ICEFALL

Steep part of a glacier

ICEFALL

Irregular glacial mass

ICEFALL

Glacial matter

ICEFALL
Flowing glacial feature
ICEFALL
Frozen avalanche
ICEFALLExtremely dangerous winter event
ICEFALLGlacial breakup result
ICEFALLCrumbling chunks from a glacier