/ Dictionary / Index O Old Harry: Meaning and Definition of Find definitions for: Old' Har'ry Pronunciation: [key] the devil; Satan. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. old hand old hat Related Content Daily Word Quiz: candid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language