/ Dictionary / Index C common law: Meaning and Definition of Find definitions for: com'mon law' Pronunciation: [key] the system of law originating in England, as distinct from the civil or Roman law and the canon or ecclesiastical law. the unwritten law, esp. of England, based on custom or court decision, as distinct from statute law. the law administered through the system of courts established for the purpose, as distinct from equity or admiralty. com•mon-law Pronunciation: (kom'un-lô'), [key] — adj. of, pertaining to, or established by common law: a common-law spouse. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. common iliac artery common-law marriage Related Content Daily Word Quiz: illegible Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language