/ Dictionary / Index O Oreopithecus*: Meaning and Definition of Find definitions for: Or•e•o•pith•e•cus Pronunciation: (ôr"ē-ō-pith'i-kus, -pu -thē'kus, ōr"-), [key] — n. a genus of fossil primate from the Miocene coal deposits of Italy, formerly considered to be a possible hominid. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Oreo ore rotundo* Related Content Daily Word Quiz: reclusive Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language