/ Dictionary / Index S soroban: Meaning and Definition of Find definitions for: sor•o•ban Pronunciation: (sôr'u-bän"), [key] — n. a Japanese abacus of Chinese derivation. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. sorites Sorocaba 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