/ Dictionary / Index C capital surplus: Meaning and Definition of Find definitions for: cap'ital sur'plus Pronunciation: [key] the surplus of a business, exclusive of its earned surplus. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. capital sum capitasti Related Content Daily Word Quiz: gregarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language