Breadcrumb Home > Dictionary > Index X XQ: Meaning and Definition of Find definitions for: XQ Pronunciation: [key] cross question. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. x pr xr ✖ Related Content Daily Word Quiz: tendentious Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language