/ Dictionary / Index S Standard Book Number: Meaning and Definition of Find definitions for: Stan'dard Book' Num"ber. Pronunciation: [key] SeeAbbr.: SBN Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. standard-bearer standard-bred 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