/ Dictionary / Index X xd: Meaning and Definition of Find definitions for: xd Pronunciation: [key] — Stock Exchange. Stock Exchange. ex dividend. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. xcl x-disease Related Content Daily Word Quiz: diligent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language