/ Dictionary / Index H hairpin: Meaning and Definition of Find definitions for: hair•pin Pronunciation: (hâr'pin"), [key] — n. a slender-shaped piece of wire, shell, etc., used by women to fasten up the hair or hold a headdress. —adj. (of a road, curve in a road, etc.) sharply curved back, as in ashape: a hairpin turn. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: hairpin (Thesaurus) hairpiece hair-raiser Related Content Daily Word Quiz: sequester Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language