/ Dictionary / Index G gerontogeous: Meaning and Definition of Find definitions for: ge•ron•to•ge•ous Pronunciation: (ju-ron"tu-jē'us), [key] — adj. belonging to the Old World. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. gerontocracy gerontology Related Content Daily Word Quiz: eureka Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language