Breadcrumb Home > Dictionary > Index H harlequin opal: Meaning and Definition of Find definitions for: har'lequin o"pal Pronunciation: [key] a variety of opal having patches of various colors. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. harlequinesque harlequin table ✖ Related Content Daily Word Quiz: derogate Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language