/ Dictionary / Index S Sinanthropus*: Meaning and Definition of Find definitions for: Si•nan•thro•pus Pronunciation: (sī-nan'thru-pus, si-, sī"nan-thrō'pus, sin"an-), [key] — n. the genus to which Peking man was formerly assigned. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Sinan sinapine 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