/ Dictionary / Index S Sivapithecus*: Meaning and Definition of Find definitions for: Siv•a•pith•e•cus Pronunciation: (siv"u-pith'i-kus, -pu-thē'kus), [key] — n. a genus of extinct Miocene primates of Asia that resemble the modern orangutan. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Sivan Sivas Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language