/ Dictionary / Index S stock certificate: Meaning and Definition of Find definitions for: stock' certif"icate Pronunciation: [key] a certificate evidencing ownership of one or more shares of stock in a corporation. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. stock car stock character Related Content Daily Word Quiz: procrastinate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language