Breadcrumb Home > Dictionary > Index X xcl: Meaning and Definition of Find definitions for: xcl Pronunciation: [key] — Insurance. Insurance. excess current liabilities. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: xcl (Thesaurus) X chromosome xd ✖ Related Content Daily Word Quiz: tendentious Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language