/ Dictionary / Index H hoarfrost: Meaning and Definition of Find definitions for: hoar•frost Pronunciation: (hôr'frôst", -frost", hōr'-), [key] — n. frost (def. 2). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: hoarfrost (Thesaurus) Hoare hoarhound Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language