/ Dictionary / Index H hacking: Meaning and Definition of Find definitions for: hack•ing Pronunciation: (hak'ing), [key] — n. replacement of a single course of stonework by two or more lower courses. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: hacking (Thesaurus) hackie hacking jacket 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