/ Dictionary / Index A areocentric: Meaning and Definition of Find definitions for: ar•e•o•cen•tric Pronunciation: (âr"ē-ō-sen'trik), [key] — adj. Astron. centered on the planet Mars. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. areo- areola Related Content Daily Word Quiz: cautious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language