/ Dictionary / Index X xc: Meaning and Definition of Find definitions for: xc Pronunciation: [key] — Stock Exchange. Stock Exchange. without coupon. X-C Pronunciation: [key] cross-country: X-C skiing. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: xc (Thesaurus) x-axis X chromosome Related Content Daily Word Quiz: reticent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language