/ Dictionary / Index G glacialist: Meaning and Definition of Find definitions for: gla•cial•ist Pronunciation: (glā'shu-list), [key] — n. a person who studies geological phenomena involving the action of ice, esp. of glaciers. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. glacial epoch glacial meal Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language