/ Dictionary / Index S siabon: Meaning and Definition of Find definitions for: si•a•bon Pronunciation: (sē'u-bun), [key] — n. a hybrid animal bred from a gibbon and a siamang. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. si Siad Barre Related Content Daily Word Quiz: quandary Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language