glacier: Meaning and Definition of

gla•cier

Pronunciation: (glā'shur), [key]
— n.
  1. an extended mass of ice formed from snow falling and accumulating over the years and moving very slowly, either descending from high mountains, as in valley glaciers, or moving outward from centers of accumulation, as in continental glaciers.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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