/ Dictionary / Index G gumbotil: Meaning and Definition of Find definitions for: gum•bo•til Pronunciation: (gum'bu-til), [key] — n. Geol. a sticky clay formed by the thorough weathering of glacial drift, the thickness of the clay furnishing means for comparing relative lengths of interglacial ages. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. gumboot gum dammar Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language