/ Dictionary / Index G Gahanna: Meaning and Definition of Find definitions for: Ga•han•na Pronunciation: (gu-han'u), [key] — n. a town in central Ohio. 18,001. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. gag rule gahnite Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language