/ Dictionary / Index H hair stroke: Meaning and Definition of Find definitions for: hair' stroke" Pronunciation: [key] a fine line in writing or printing. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. hairstreak hair style Related Content Daily Word Quiz: fabricate Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language