/ Dictionary / Index G glacial meal: Meaning and Definition of Find definitions for: gla'cial meal' Pronunciation: [key] finely ground rock material produced by the grinding action of a glacier on its bed. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. glacialist glacial milk Related Content Daily Word Quiz: fidelity Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language