/ Dictionary / Index H hairdo: Meaning and Definition of Find definitions for: hair•do Pronunciation: (hâr'd"), [key] — pl. -dos. the style in which a person's hair is cut, arranged, and worn; coiffure. the hair itself, esp. when newly or elaborately arranged. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: hairdo (Thesaurus) haircut hairdresser 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