Glacial

gla's hal, «. Pert, to ice or its action; esp. pertaining to glaciers. (Chem.) Having gla y appearance, as crystals. — Glacier, gla's er glas'i-Sr, n. A ma of ice, or snow and ice, formed in the region of perpetual snow, and moving slowly down mountain slopes or valleys. — Glacis, gl a 'sis gla-ses', n. An easy, insensible slope; esp. (Fort.), an earthen parapet to the covered way.