1) American young adult novel 2) Flowing glacial feature 3) Glacial breakup result 4) Glacial matter 5) Glacier feature 6) Irregular glacial mass 7) Steep part of a glacier Found on https://www.crosswordclues.com/clue/icefall
An icefall is a portion of some glaciers characterized by rapid flow and a chaotic crevassed surface. Perhaps the most conspicuous consequence of glacier flow, icefalls occur where the glacier bed steepens and/or narrows. The term icefall is formed by analogy with the word waterfall, a similar, but much higher speed, flow phenomenon. Most glacier ... Found on http://en.wikipedia.org/wiki/Icefall
part of a glacier with rapid flow and a chaotic crevassed surface; occurs where the glacier bed steepenes or narrows. Icefalls on three parallel glaciers. (Photo courtesy of Tom Lowell, University of Cincinnati.) Found on https://nsidc.org/cryosphere/glossary?page=13
a jumbled mass of ice in a glacier. · a mass of ice overhanging a precipice. · a falling of ice from a glacier, iceberg, etc. Found on https://www.infoplease.com/dictionary/icefall