/ Dictionary / Index S stock car: Meaning and Definition of Find definitions for: stock' car" Pronunciation: [key] a standard model of automobile changed in various ways for racing purposes. Also calleda boxcar for carrying livestock. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: stockcar (Thesaurus) stock buyback stock certificate 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