/ Dictionary / Index S style sheet: Meaning and Definition of Find definitions for: style' sheet" Pronunciation: [key] a listing of the rules of usage in style employed by a publishing house or in a publishing project. Cf.(def. 1). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. styler stylet Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language