/ Dictionary / Index G great wheel: Meaning and Definition of Find definitions for: great' wheel' Pronunciation: [key] — Horol. Horol. the wheel immediately driven by the power source. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Great Week Great White Father Related Content Daily Word Quiz: crutiny Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language