/ Dictionary / Index G glacial drift: Meaning and Definition of Find definitions for: gla'cial drift' Pronunciation: [key] — Geol. Geol. material, as gravel, sand, or clay, transported and deposited by a glacier or by glacial meltwater. Also calledCf. till. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. glacial acetic acid glacial epoch 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