/ Dictionary / Index A areology: Meaning and Definition of Find definitions for: ar•e•ol•o•gy Pronunciation: (âr"ē-ol'u-jē), [key] — n. Astron. the observation and study of the planet Mars. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. areole Areopagite Related Content Daily Word Quiz: tactful Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language